Knife Laws by State A to Z
Updated March 19th 2026
Important: This section is for general informational purposes only and is not legal advice. State and local laws can change. Always verify current law before buying, carrying, or traveling with any knife.
Common Knife Types People Ask About
Before getting into state-by-state laws, here are some of the most common knife types people ask about and how they are generally treated. Always check your state and local laws for exact rules.
Switchblades (Automatic Knives)
Switchblades are knives that open automatically with the press of a button or switch. These are legal in many states today, but some states still restrict how they can be carried, especially when it comes to concealed carry or blade length. States like California, New York, and a few others have stricter rules, while states like Texas, Arizona, and Utah are more permissive.
Butterfly Knives (Balisongs)
Butterfly knives, also known as balisongs, open by flipping two handles around the blade. These are treated differently depending on the state. Some states consider them similar to switchblades, while others treat them like standard folding knives. In stricter states like California, they are often restricted, while more permissive states allow them with fewer limitations.
Concealed or Disguised Knives
Disguised knives include items like belt buckle knives, pen knives designed to look like writing tools, or hidden blades built into everyday objects. These are often heavily restricted or illegal in many states because they are designed to avoid detection. Even in states with relaxed knife laws, disguised weapons are usually treated much more strictly.
Ballistic Knives
A ballistic knife is a specialized knife where the blade can be ejected or fired out from the handle using a spring or gas mechanism. These are not the same as switchblades. Ballistic knives are illegal in many states and are often restricted at both the state and federal level.
Blade Length Rules
Some states use blade length as a key factor in what is legal to carry, especially for concealed carry. Common limits you may see include 2 inches, 3 inches, 3.5 inches, or 5.5 inches depending on the state. Even in states that allow most knives, longer blades may trigger additional restrictions.
Alabama Knife Laws
Quick Answer: What Is Legal in Alabama?
Switchblades: Generally legal
Butterfly Knives: Generally legal
Disguised Knives: Often restricted
Ballistic Knives: Likely illegal
Blade Length Limit: No statewide limit
Concealed Carry: Allowed with intent restrictions
Detailed Alabama Knife Law Breakdown
Alabama allows most knives, but intent matters. Carrying a knife with unlawful intent can lead to charges. Local laws may apply.
Alaska Knife Laws
Quick Answer: What Is Legal in Alaska?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Legal
Ballistic Knives: Not addressed
Blade Length Limit: None
Concealed Carry: Legal
Detailed Alaska Knife Law Breakdown
Alaska is very permissive. Most knives can be carried openly or concealed with minimal restrictions.
Arizona Knife Laws
Quick Answer: What Is Legal in Arizona?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Legal
Ballistic Knives: Not addressed
Blade Length Limit: None
Concealed Carry: Legal
Detailed Arizona Knife Law Breakdown
Arizona allows nearly all knives and preempts local laws. Restrictions mainly apply to certain locations.
Arkansas Knife Laws
Quick Answer: What Is Legal in Arkansas?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Restricted
Ballistic Knives: Not addressed
Blade Length Limit: None
Concealed Carry: Legal with lawful intent
Detailed Arkansas Knife Law Breakdown
Arkansas focuses on intent. Most knives are legal unless carried for unlawful use.
California Knife Laws
Quick Answer: What Is Legal in California?
Switchblades: Illegal over 2 inches
Butterfly Knives: Restricted
Disguised Knives: Illegal
Ballistic Knives: Illegal
Blade Length Limit: 2 inches (switchblades)
Concealed Carry: Restricted
Detailed California Knife Law Breakdown
California has strict laws. Fixed blades must be carried openly. Disguised knives are illegal.
Colorado Knife Laws
Quick Answer: What Is Legal in Colorado?
Switchblades: Generally legal
Butterfly Knives: Generally legal
Disguised Knives: Restricted
Ballistic Knives: Illegal
Blade Length Limit: 3.5 inches (concealed)
Concealed Carry: Restricted over 3.5 inches
Detailed Colorado Knife Law Breakdown
Colorado allows most knives but restricts concealed carry for blades over 3.5 inches. Ballistic knives are illegal.
Connecticut Knife Laws
Quick Answer: What Is Legal in Connecticut?
Switchblades: Illegal
Butterfly Knives: Illegal
Disguised Knives: Illegal
Ballistic Knives: Illegal
Blade Length Limit: 4 inches
Concealed Carry: Restricted
Detailed Connecticut Knife Law Breakdown
Connecticut restricts many knife types including switchblades and butterfly knives. Blade length limits apply.
Delaware Knife Laws
Quick Answer: What Is Legal in Delaware?
Switchblades: Restricted
Butterfly Knives: Restricted
Disguised Knives: Illegal
Ballistic Knives: Illegal
Blade Length Limit: None specified
Concealed Carry: Restricted
Detailed Delaware Knife Law Breakdown
Delaware restricts certain knives and concealed carry depending on intent.
Florida Knife Laws
Quick Answer: What Is Legal in Florida?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Illegal
Ballistic Knives: Illegal
Blade Length Limit: None
Concealed Carry: Legal (license may apply)
Detailed Florida Knife Law Breakdown
Florida allows most knives but restricts concealed carry without proper licensing in some cases.
Georgia Knife Laws
Quick Answer: What Is Legal in Georgia?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Illegal
Ballistic Knives: Illegal
Blade Length Limit: 12 inches
Concealed Carry: Legal
Detailed Georgia Knife Law Breakdown
Georgia allows most knives with a generous blade length limit but restricts disguised weapons.
Hawaii Knife Laws
Quick Answer: What Is Legal in Hawaii?
Switchblades: Illegal
Butterfly Knives: Illegal
Disguised Knives: Illegal
Ballistic Knives: Illegal
Blade Length Limit: No specific limit
Concealed Carry: Restricted
Detailed Hawaii Knife Law Breakdown
Hawaii has strict knife laws. Switchblades and butterfly knives are illegal. Many knives are restricted depending on design and use.
Idaho Knife Laws
Quick Answer: What Is Legal in Idaho?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Generally legal
Ballistic Knives: Not addressed
Blade Length Limit: None
Concealed Carry: Legal
Detailed Idaho Knife Law Breakdown
Idaho allows most knives with very few restrictions. State preemption limits local laws.
Illinois Knife Laws
Quick Answer: What Is Legal in Illinois?
Switchblades: Restricted (legal with FOID card)
Butterfly Knives: Restricted
Disguised Knives: Illegal
Ballistic Knives: Illegal
Blade Length Limit: Varies locally
Concealed Carry: Restricted
Detailed Illinois Knife Law Breakdown
Illinois restricts certain knives like switchblades unless specific requirements are met. Local laws can vary significantly.
Indiana Knife Laws
Quick Answer: What Is Legal in Indiana?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Generally legal
Ballistic Knives: Not addressed
Blade Length Limit: None
Concealed Carry: Legal
Detailed Indiana Knife Law Breakdown
Indiana allows most knives with very few restrictions. Both open and concealed carry are generally permitted.
Iowa Knife Laws
Quick Answer: What Is Legal in Iowa?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Restricted
Ballistic Knives: Illegal
Blade Length Limit: No specific statewide limit
Concealed Carry: Restricted depending on intent
Detailed Iowa Knife Law Breakdown
Iowa focuses on intent and restricts certain dangerous weapons. Ballistic knives are illegal.
Kansas Knife Laws
Quick Answer: What Is Legal in Kansas?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Legal
Ballistic Knives: Not addressed
Blade Length Limit: None
Concealed Carry: Legal
Detailed Kansas Knife Law Breakdown
Kansas has very permissive knife laws and preempts local regulations.
Kentucky Knife Laws
Quick Answer: What Is Legal in Kentucky?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Restricted
Ballistic Knives: Illegal
Blade Length Limit: None
Concealed Carry: Legal
Detailed Kentucky Knife Law Breakdown
Kentucky allows most knives but restricts certain dangerous weapons like ballistic knives.
Louisiana Knife Laws
Quick Answer: What Is Legal in Louisiana?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Illegal
Ballistic Knives: Illegal
Blade Length Limit: None
Concealed Carry: Legal
Detailed Louisiana Knife Law Breakdown
Louisiana allows most knives but prohibits disguised weapons and ballistic knives.
Maine Knife Laws
Quick Answer: What Is Legal in Maine?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Restricted
Ballistic Knives: Not addressed
Blade Length Limit: None
Concealed Carry: Legal
Detailed Maine Knife Law Breakdown
Maine permits most knives with minimal restrictions but may regulate certain concealed or disguised weapons.
Maryland Knife Laws
Quick Answer: What Is Legal in Maryland?
Switchblades: Illegal
Butterfly Knives: Illegal
Disguised Knives: Illegal
Ballistic Knives: Illegal
Blade Length Limit: No fixed statewide limit
Concealed Carry: Restricted
Detailed Maryland Knife Law Breakdown
Maryland restricts many knife types and prohibits concealed carry of certain dangerous weapons.
Massachusetts Knife Laws
Quick Answer: What Is Legal in Massachusetts?
Switchblades: Restricted and generally illegal over 1.5 inches
Butterfly Knives: Often treated as restricted
Disguised Knives: Generally restricted
Ballistic Knives: Illegal
Blade Length Limit: 1.5 inches for automatic knives
Concealed Carry: Restricted for many knife types
Detailed Massachusetts Knife Law Breakdown
Massachusetts is one of the stricter states for knives. The law prohibits carrying certain knives on your person or in a vehicle, including stilettos, daggers, ballistic knives, double-edged knives, and certain automatic knives.
Automatic knives with blades over 1.5 inches are restricted, and assisted-opening knives can also create problems because Massachusetts does not clearly recognize a bias-toward-closure exception.
Butterfly knives and quick-draw style devices are often treated aggressively under Massachusetts law, so this is not a state where you want to push the limits.
School property and certain other locations are also restricted, and there is no statewide preemption.
Michigan Knife Laws
Quick Answer: What Is Legal in Michigan?
Switchblades: Generally legal
Butterfly Knives: Generally legal
Disguised Knives: Not specifically prohibited under state law
Ballistic Knives: Not specifically prohibited under state law
Blade Length Limit: No general statewide limit
Concealed Carry: Restricted for daggers, dirks, stilettos, and double-edged stabbing instruments
Detailed Michigan Knife Law Breakdown
Michigan does not broadly ban knives by type under state law, which makes it more permissive than many eastern states.
The big issue in Michigan is concealed carry. Daggers, dirks, stilettos, and double-edged nonfolding stabbing instruments can create major legal problems if concealed or kept in a vehicle.
Standard folding knives are generally lower risk, but knife use, intent, and carry method still matter.
School zones and weapon-free areas remain important restrictions.
Minnesota Knife Laws
Quick Answer: What Is Legal in Minnesota?
Switchblades: Risky and often treated as restricted
Butterfly Knives: Risky and often treated as restricted
Disguised Knives: Often restricted
Ballistic Knives: Likely restricted as dangerous weapons
Blade Length Limit: No clear general statewide limit
Concealed Carry: Depends heavily on whether the knife is treated as a dangerous weapon
Detailed Minnesota Knife Law Breakdown
Minnesota does not give especially clear knife-by-knife guidance, which makes this a state where caution matters.
The law works through a dangerous-weapon framework, and knives can fall into that category depending on type, design, and circumstances.
Switchblade-style knives and other quick-opening knives can be risky because Minnesota has not clearly adopted a bias-toward-closure standard.
Schools, courthouses, and certain state buildings are major restricted areas, and there is no statewide preemption.
Mississippi Knife Laws
Quick Answer: What Is Legal in Mississippi?
Switchblades: Legal to own, but concealed carry is restricted
Butterfly Knives: Generally legal
Disguised Knives: Often restricted
Ballistic Knives: Not specifically addressed
Blade Length Limit: No general statewide limit
Concealed Carry: Restricted for bowie knives, dirks, butcher knives, and switchblades
Detailed Mississippi Knife Law Breakdown
Mississippi allows all knives to be carried openly, which makes it easier than many states.
The main problem area is concealed carry. Bowie knives, dirk knives, butcher knives, and switchblade knives are specifically called out in concealed-carry restrictions.
There are also age-related and school-property restrictions that matter.
Mississippi has statewide preemption, which helps make the rules more uniform across the state.
Missouri Knife Laws
Quick Answer: What Is Legal in Missouri?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Generally legal under state law
Ballistic Knives: Not specifically prohibited under state law
Blade Length Limit: No general statewide limit
Concealed Carry: Generally legal except in restricted locations
Detailed Missouri Knife Law Breakdown
Missouri is broadly permissive and does not list forbidden or restricted knives under state law.
Concealed carry is generally lawful, and the bigger concern is restricted locations rather than knife type.
Schools and certain other sensitive places still matter.
For most ordinary law-abiding adults, Missouri is one of the easier states for knife carry.
Montana Knife Laws
Quick Answer: What Is Legal in Montana?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Generally legal under state law
Ballistic Knives: Not specifically prohibited under state law
Blade Length Limit: 4 inches matters for school buildings
Concealed Carry: Generally legal
Detailed Montana Knife Law Breakdown
Montana is broadly knife-friendly and allows open and concealed carry of knives for most lawful adults.
The biggest statewide restriction is school buildings, where a knife with a blade of 4 inches or more may not be possessed or stored.
Montana also has statewide preemption, which helps avoid a patchwork of local knife rules.
Outside sensitive places, Montana is one of the easier states for knife carry.
Nebraska Knife Laws
Quick Answer: What Is Legal in Nebraska?
Switchblades: Generally legal
Butterfly Knives: Generally legal
Disguised Knives: Often restricted depending on concealment and design
Ballistic Knives: Not specifically addressed in the main carry rule
Blade Length Limit: 3.5 inches for concealed carry
Concealed Carry: Generally lawful at 3.5 inches or less, risky above that
Detailed Nebraska Knife Law Breakdown
Nebraska changed a lot, but it is still not as simple as some people think.
The main statewide concealed-carry rule uses a 3.5-inch line. A knife with a blade of 3.5 inches or less is generally the safer concealed-carry option, while longer blades can create problems.
Concealment is judged by ordinary observation, which means pocket-clip carry is not something to assume is automatically safe.
Local issues have also continued in places like Lincoln and Omaha, so it is smart to check city rules too.
Nevada Knife Laws
Quick Answer: What Is Legal in Nevada?
Switchblades: Generally legal statewide, but restricted in schools and some local areas
Butterfly Knives: Generally legal
Disguised Knives: Often restricted depending on local law and weapon classification
Ballistic Knives: Not specifically listed as a statewide forbidden knife
Blade Length Limit: No general statewide limit, but 2 inches still matters for certain school restrictions
Concealed Carry: Generally legal except for machetes
Detailed Nevada Knife Law Breakdown
Nevada is easier than many people think at the state level. Open and concealed carry are generally not restricted for most knives.
The standout exception is machetes, which may not be carried concealed on the person.
Automatic knives are no longer generally banned statewide, but school and university rules still matter, and local ordinances can still create extra issues.
Clark County has historically been one of the places where local knife rules matter, so always check local law before carrying there.
New Hampshire Knife Laws
Quick Answer: What Is Legal in New Hampshire?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Generally legal under state law
Ballistic Knives: Not specifically prohibited for most law-abiding adults
Blade Length Limit: No general statewide limit
Concealed Carry: Legal
Detailed New Hampshire Knife Law Breakdown
New Hampshire is one of the simplest and most knife-friendly states in the country.
There are no general restrictions on open or concealed carry for most law-abiding adults, and the state has preemption.
The biggest concern is restricted places like courthouses and correctional settings, not ordinary carry.
For most people, New Hampshire is one of the lowest-risk states for knife ownership and carry.
New Jersey Knife Laws
Quick Answer: What Is Legal in New Jersey?
Switchblades: Generally illegal without an explainable lawful purpose
Butterfly Knives: Often risky and may be treated as dangerous knives
Disguised Knives: Highly risky and often treated as unlawful outside a clear lawful purpose
Ballistic Knives: Illegal without an explainable lawful purpose
Blade Length Limit: 5 inches matters for sale to minors, but lawful-purpose rules matter more
Concealed Carry: Not the main issue, lawful purpose is
Detailed New Jersey Knife Law Breakdown
New Jersey is one of the toughest states because the biggest question is not just what kind of knife you have, but why you have it.
Gravity knives, switchblades, daggers, dirks, stilettos, dangerous knives, and ballistic knives are unlawful to possess without an explainable lawful purpose.
Pocket knives are generally the lower-risk option, but self-defense outside the home is not treated as a lawful purpose in the way many people assume.
Schools and other sensitive places make New Jersey even riskier, so this is a state where people need to be especially careful.
New Mexico Knife Laws
Quick Answer: What Is Legal in New Mexico?
Switchblades: Restricted outside your home or real property
Butterfly Knives: Risky and often treated like restricted concealed weapons
Disguised Knives: Often restricted
Ballistic Knives: Not specifically listed, but likely treated as prohibited weapons
Blade Length Limit: No general statewide limit
Concealed Carry: Restricted for many knife types
Detailed New Mexico Knife Law Breakdown
New Mexico does not broadly ban ordinary knife ownership, but concealed carry is where the law gets much tighter.
Outside your home or real property, concealed carry is prohibited for a long list of knives, including daggers, switchblades, bowie knives, poniards, butcher knives, and dirks.
Because the statute focuses heavily on categories of weapon-style knives, ordinary pocketknives are generally the lower-risk option.
School-property restrictions also matter, so this is not a state where people should assume all knives are treated the same.
New York Knife Laws
Quick Answer: What Is Legal in New York?
Switchblades: Generally illegal for most non-exempt people
Butterfly Knives: Risky and often treated as gravity-knife or weapon-style issues depending on facts
Disguised Knives: Generally illegal or highly risky
Ballistic Knives: Illegal
Blade Length Limit: No single statewide limit controls everything
Concealed Carry: Risky depending on knife type, intent, and location
Detailed New York Knife Law Breakdown
New York is one of the states where caution is smart. Switchblades, ballistic knives, metal-knuckle knives, and cane swords are generally prohibited for non-exempt persons.
Knife legality in New York often depends on the exact type of knife, how it opens, where it is carried, and whether police or prosecutors treat it as a dangerous knife or weapon.
There is no simple statewide blade-length rule that solves everything, and local rules can matter a lot, especially in places like New York City.
For most people, ordinary utility-style folding knives are the lower-risk category, but even then, location and circumstances matter.
North Carolina Knife Laws
Quick Answer: What Is Legal in North Carolina?
Switchblades: Risky, especially for concealed carry
Butterfly Knives: Risky, especially if treated as unusual weapons
Disguised Knives: Often restricted
Ballistic Knives: Not specifically listed, but likely treated as prohibited weapons
Blade Length Limit: No general statewide limit
Concealed Carry: Restricted for bowie knives, dirks, daggers, razors, and similar weapons
Detailed North Carolina Knife Law Breakdown
North Carolina generally allows open carry, but concealed carry is where people get into trouble.
The ordinary pocketknife exception helps, but larger or more weapon-style knives such as bowie knives, dirks, daggers, and razors are much riskier if concealed.
Automatic and quick-opening knives are not a smart category to assume is safe for concealed carry here.
School-property rules are also broad, which makes location just as important as knife type in this state.
North Dakota Knife Laws
Quick Answer: What Is Legal in North Dakota?
Switchblades: Legal with limits tied to dangerous-weapon rules
Butterfly Knives: Generally legal
Disguised Knives: Often restricted depending on classification
Ballistic Knives: Not specifically addressed in the main carry rule
Blade Length Limit: 5 inches matters for automatic knives
Concealed Carry: Restricted for dangerous weapons without the proper license
Detailed North Dakota Knife Law Breakdown
North Dakota allows broad open carry, but concealment is where the law gets more complicated.
Knives classified as dangerous weapons generally cannot be concealed without the appropriate dangerous-weapon or reciprocal license.
Automatic knives are allowed, but the 5-inch length threshold still matters for how AKTI summarizes the state.
Public gatherings, schools, churches, and government buildings are also important restricted places here.
Ohio Knife Laws
Quick Answer: What Is Legal in Ohio?
Switchblades: Generally legal
Butterfly Knives: Generally legal
Disguised Knives: Often risky depending on use and intent
Ballistic Knives: Not specifically listed as a separate statewide ban
Blade Length Limit: No general statewide limit
Concealed Carry: Generally legal unless the knife is used as a weapon
Detailed Ohio Knife Law Breakdown
Ohio became much friendlier in 2021 when statewide concealed-carry restrictions for knives were removed.
That means most knives may now be carried openly or concealed so long as they are not used as weapons or in criminal conduct.
The practical focus in Ohio is now more about behavior, intent, and restricted locations than knife type.
Schools, courthouses, and similar places still create legal problems, so people should not treat Ohio as a no-rules state.
Oklahoma Knife Laws
Quick Answer: What Is Legal in Oklahoma?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Generally legal under state law
Ballistic Knives: Not specifically prohibited under current state law
Blade Length Limit: No general statewide limit
Concealed Carry: Generally legal
Detailed Oklahoma Knife Law Breakdown
Oklahoma is broadly permissive and no longer treats the possession or carry of knives as a major statewide issue.
Concealment is not the main problem here, and most ordinary knife types are generally lawful to own and carry.
The biggest concerns are restricted locations rather than the knife itself.
Oklahoma also has statewide preemption, which helps keep local knife rules more uniform.
Oregon Knife Laws
Quick Answer: What Is Legal in Oregon?
Switchblades: Legal to own, but concealed carry is prohibited
Butterfly Knives: Legal to own, but concealed carry is prohibited
Disguised Knives: Often restricted and risky
Ballistic Knives: Not clearly listed as a separate statewide category
Blade Length Limit: No general statewide limit
Concealed Carry: Prohibited for many knife types
Detailed Oregon Knife Law Breakdown
Oregon is more restrictive than many nearby states when it comes to concealment.
Concealed carry of automatic knives, assisted-opening knives, butterfly knives, dirks, daggers, and ice picks is prohibited.
That means a knife may be lawful to own in Oregon and still create legal problems if concealed on your person.
Public buildings and other sensitive locations also matter, which makes Oregon a state where carry method is critical.
Pennsylvania Knife Laws
Quick Answer: What Is Legal in Pennsylvania?
Switchblades: Legal since 2023
Butterfly Knives: Generally legal
Disguised Knives: Often risky depending on intent and location
Ballistic Knives: Not broadly listed as a separate statewide carry category
Blade Length Limit: No general statewide limit
Concealed Carry: Generally legal at the state level
Detailed Pennsylvania Knife Law Breakdown
Pennsylvania got friendlier in 2023 when automatic-knife restrictions were lifted.
At the state level, the bigger concerns now are sensitive places like schools, court facilities, and posted Commonwealth property rather than ordinary carry itself.
There is no single statewide airport-specific knife rule, but other restricted-place laws can still matter depending on where you are.
As always, local practices and posted rules can create extra issues even when state law looks easier.
Rhode Island Knife Laws
Quick Answer: What Is Legal in Rhode Island?
Switchblades: Generally legal, but concealed carry is restricted over 3 inches
Butterfly Knives: Generally legal, but concealed carry is restricted over 3 inches
Disguised Knives: Often restricted
Ballistic Knives: Not specifically addressed as a separate statewide category
Blade Length Limit: 3 inches for many concealed-carry situations
Concealed Carry: Restricted over 3 inches and for certain knife categories
Detailed Rhode Island Knife Law Breakdown
Rhode Island generally allows open carry of knives unless there is unlawful intent.
Concealed carry gets tougher once you go past a 3-inch blade or into categories like daggers, dirks, stilettos, and sword canes.
That makes small folding knives the lower-risk path for everyday carry.
As with many northeastern states, context, location, and exact knife type matter more than people expect.
South Carolina Knife Laws
Quick Answer: What Is Legal in South Carolina?
Switchblades: Generally legal
Butterfly Knives: Generally legal
Disguised Knives: Often risky depending on how they are classified
Ballistic Knives: Not specifically listed as a separate statewide ban
Blade Length Limit: 2 inches matters mainly on school property
Concealed Carry: Generally not the main statewide knife issue unless tied to crime
Detailed South Carolina Knife Law Breakdown
South Carolina is more knife-friendly than many people think.
Knives are generally not the focus of the concealed-weapon law unless they are used in furtherance of a crime or carried in restricted places.
The biggest recurring statewide issue is school property, where blades over 2 inches can create serious problems.
For ordinary law-abiding adults outside sensitive places, South Carolina is easier than many neighboring states.
South Dakota Knife Laws
Quick Answer: What Is Legal in South Dakota?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Generally legal
Ballistic Knives: Not specifically addressed
Blade Length Limit: None
Concealed Carry: Legal
Detailed South Dakota Knife Law Breakdown
South Dakota allows most knives with very few restrictions. Both open and concealed carry are generally permitted.
The main concerns are restricted locations such as schools and government buildings.
State law is straightforward and does not heavily regulate knife types.
For most law-abiding adults, South Dakota is a knife-friendly state.
Tennessee Knife Laws
Quick Answer: What Is Legal in Tennessee?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Generally legal
Ballistic Knives: Not specifically addressed
Blade Length Limit: None
Concealed Carry: Legal
Detailed Tennessee Knife Law Breakdown
Tennessee removed most knife restrictions, making it one of the more permissive states.
All knife types are generally legal to carry, both openly and concealed.
Restrictions mainly apply to certain locations such as schools and government property.
Tennessee law focuses more on criminal use than knife type.
Texas Knife Laws
Quick Answer: What Is Legal in Texas?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Generally legal
Ballistic Knives: Not specifically addressed
Blade Length Limit: 5.5 inches (location-based restrictions)
Concealed Carry: Legal
Detailed Texas Knife Law Breakdown
Texas allows most knives, including large blades, but applies location-based restrictions for blades over 5.5 inches.
Places like schools, bars, and certain government buildings restrict larger knives.
Open and concealed carry are generally legal outside restricted areas.
Texas is considered a knife-friendly state with clear rules.
Utah Knife Laws
Quick Answer: What Is Legal in Utah?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Generally legal
Ballistic Knives: Not specifically addressed
Blade Length Limit: None
Concealed Carry: Legal
Detailed Utah Knife Law Breakdown
Utah allows most knives and has very few restrictions on carry.
Both open and concealed carry are legal under state law.
Restrictions mainly apply to criminal intent and certain locations.
Utah is considered a permissive state for knife ownership and carry.
Vermont Knife Laws
Quick Answer: What Is Legal in Vermont?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Generally legal
Ballistic Knives: Not specifically addressed
Blade Length Limit: None
Concealed Carry: Legal
Detailed Vermont Knife Law Breakdown
Vermont has very relaxed knife laws and allows most knives to be carried.
There are no major restrictions on blade length or knife type.
Carry is generally allowed both openly and concealed.
Restrictions mainly apply to criminal use or prohibited locations.
Virginia Knife Laws
Quick Answer: What Is Legal in Virginia?
Switchblades: Legal to own, restricted for concealed carry
Butterfly Knives: Restricted for concealed carry
Disguised Knives: Illegal
Ballistic Knives: Illegal
Blade Length Limit: No general statewide limit
Concealed Carry: Restricted for certain knife types
Detailed Virginia Knife Law Breakdown
Virginia allows ownership of most knives but restricts concealed carry of certain types like switchblades and butterfly knives.
Disguised knives and ballistic knives are illegal.
Open carry is generally allowed for most knives.
Location-based restrictions may apply.
Washington Knife Laws
Quick Answer: What Is Legal in Washington?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Restricted
Ballistic Knives: Illegal
Blade Length Limit: No general statewide limit
Concealed Carry: Restricted depending on knife type
Detailed Washington Knife Law Breakdown
Washington has loosened its knife laws, making automatic knives legal.
However, concealed carry rules still depend on knife type and intent.
Restricted areas such as schools and government buildings apply.
Local laws may also impact carry rules.
West Virginia Knife Laws
Quick Answer: What Is Legal in West Virginia?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Generally legal
Ballistic Knives: Not specifically addressed
Blade Length Limit: None
Concealed Carry: Legal
Detailed West Virginia Knife Law Breakdown
West Virginia allows most knives and has permissive carry laws.
Both open and concealed carry are generally allowed.
Restrictions mainly apply to criminal use or restricted locations.
The state is considered knife-friendly overall.
Wisconsin Knife Laws
Quick Answer: What Is Legal in Wisconsin?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Restricted depending on intent
Ballistic Knives: Not specifically addressed
Blade Length Limit: None
Concealed Carry: Legal
Detailed Wisconsin Knife Law Breakdown
Wisconsin allows most knives and removed switchblade restrictions.
Both open and concealed carry are generally legal.
Intent and location still matter for legality.
Wisconsin is considered a permissive state for knives.
Wyoming Knife Laws
Quick Answer: What Is Legal in Wyoming?
Switchblades: Legal
Butterfly Knives: Legal
Disguised Knives: Generally legal
Ballistic Knives: Not specifically addressed
Blade Length Limit: None
Concealed Carry: Legal
Detailed Wyoming Knife Law Breakdown
Wyoming allows most knives and has very few restrictions.
Both open and concealed carry are generally permitted.
Restrictions mainly apply to criminal use and certain locations.
Wyoming is one of the most knife-friendly states in the country.
Frequently Asked Questions About Knife Laws
Are switchblades legal in every state?
No. Switchblade laws vary by state. Some states allow them with few restrictions, while others ban them completely or restrict how they can be carried, especially when concealed.
Are butterfly knives legal?
Not always. Some states treat butterfly knives like ordinary folding knives, while others restrict them or treat them more like switchblades. Always check your state and local laws.
Are disguised knives legal?
Disguised knives are often treated more strictly than ordinary knives. Items like belt buckle knives, cane swords, pen knives, and other hidden blades may be restricted or illegal depending on the state.
What is a ballistic knife?
A ballistic knife is a knife designed to fire or eject the blade from the handle. It is not the same as a switchblade. Ballistic knives are heavily restricted or illegal in many states and may also raise federal issues.
Do blade length limits matter?
Yes. Some states use blade length as a major part of knife law, especially for concealed carry. A knife may be legal to own but restricted when carried concealed if it exceeds the state’s blade-length threshold.
Can I carry a knife in my car?
Sometimes, but the answer depends on your state and local laws. Some states allow vehicle carry more broadly, while others still apply concealed-carry or weapon rules if the knife is stored in a certain way.
Are knives allowed in carry-on bags on a plane?
No, in most cases knives are not allowed in carry-on luggage under TSA rules. Most knives may only be packed in checked baggage if otherwise lawful. Always check TSA guidance and your airline’s rules before traveling.
Do local city laws matter, or is state law all that matters?
Local laws can absolutely matter. Some states have statewide preemption, which limits local knife laws, while others allow cities and counties to create their own restrictions. That is why checking both state and local law is so important.
Is this page legal advice?
No. This page is for general informational purposes only and should not be treated as legal advice. Laws can change, local ordinances may apply, and enforcement can vary depending on the facts of a situation.
More Knife Resources
If you want a broader breakdown of knife styles, discreet carry options, and practical everyday choices, read our best knives for self defense and everyday carry guide.
If you are just getting started and want something simpler, check out our beginner self defense knives guide.
If you want to browse available options after reviewing your state laws, visit our Self-Defense Knives category.
Final Note
Knife laws are not always simple, and they are definitely not the same everywhere. The smartest move is to use this page as a starting point, then verify the current law in your state and city before buying, carrying, or traveling with any knife. Once you understand the legal side, it becomes a whole lot easier to choose a knife that fits your routine, your comfort level, and your local laws.