Knives and pepper spray in the United States (2026)

Last reviewed: 9 October 2026

In short: Carrying rules for knives and pepper spray are set by each state and by the District of Columbia. Federal law restricts switchblade knives in interstate commerce and within federal territories, Indian country and the special maritime and territorial jurisdiction.

RuleWhat applies

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United States: rules by state or province

StateFolding pocket knivesLocking or one-handed knivesFixed-blade knivesPepper sprayExceptions and legitimate reasons
Alabama
Firearms only; no knife carry offence read
No separate rule
No sale to minors; no carry offence read
No carry ban read; use in a crime is a felony
School ban exempts police, school officers, permit holders
Alaska
Excluded from concealed-weapon offences
Under 16 needs consent; no sale under 18
Concealed: tell officer (21+); banned under 21
Excluded from concealed rules; no sale under 18
Under 21: defence at home or when hunting or fishing
Arizona
Concealed pocket knife not an offence
No separate rule; 'pocket knife' not defined
Concealed: offence only if felony, lying or under 21
⚠ Not yet verified
Under 21: not an offence at home or own land
Arkansas
Offence only with purpose to use it unlawfully
Same rule; switchblades named in definition
Same rule; 3 in or longer counts as a knife
⚠ Not yet verified
Home, business, journey, officers on duty
California
Dagger only if blade exposed and locked
Switchblade of 2 in or more banned; thumb-stud OK
Concealed carry banned
Allowed for adults: aerosol, max 2.5 oz
⚠ Not yet verified
Colorado
Concealed: banned over 3.5 in blade
Only ballistic knives banned outright
Concealed: banned over 3.5 in blade
⚠ Not yet verified
OK at home or business, or in a private vehicle
Connecticut
Banned at 4 in or more of edge
Banned if blade over 1.5 in
Banned: dirk, stiletto or edge of 4 in or more
⚠ Not yet verified
Exempt: licensed hunting, moving, repair, shows
Delaware
Closed pocketknife up to 3.75 in is not a deadly weapon
Deadly weapon; separate offence repealed 2025
Concealed without licence: class G felony
Not an offence to carry concealed (s. 1443)
Defence: lawful purpose, no intent to harm
District of Columbia
No folding rule; 'dangerous weapon' ban applies
Switchblade: possession banned
Banned with unlawful intent; 'dangerous weapon' ban
Allowed: aerosol, labelled and dated
Exceptions cover firearms only; none for knives
Florida
Common pocketknife is not a 'weapon'
Only ballistic knives banned outright
Concealed: OK if licence-eligible, else misdemeanour
Allowed: up to 2 oz, for self-defence
No offence when evacuating; schools restricted
Georgia
Blade of 12 in or less: not a 'knife'
No separate rule
Over 12 in: lawful weapons carrier only
⚠ Not yet verified
Home, vehicle, business; hunting and fishing
Hawaii
⚠ Not yet verified
Switchblade or butterfly knife: concealed carry banned
Concealed carry banned
⚠ Not yet verified
Defence: lawfully in own home
Idaho
Blade 6 in or less is not a 'deadly weapon'
No separate rule; 6 in blade limit
Concealed: allowed for most adult US citizens
Not a 'deadly weapon'
Home, own property, outside cities, plain view, vehicle
Illinois
Only with intent to use unlawfully
Banned unless FOID holder or trade
Only with intent to use unlawfully
Allowed 18+ if designed solely for personal defence
FOID holders and the knife trade exempt from switchblade ban
Indiana
No general ban; school property barred
No separate rule
Barred on school property
No carry offence; can be a 'deadly weapon' by use
School authorisation; secured in vehicle
Iowa
Only an offence if used in a crime
Ballistic knife: class D felony; switchblade listed
Only an offence if used in a crime
⚠ Not yet verified
⚠ Not yet verified
Kansas
Only with intent to use unlawfully
No switchblade or locking-knife rule
Only with intent to use unlawfully
⚠ Not yet verified
Police, prison staff and armed forces on duty
Kentucky
Ordinary pocket knife: not a deadly weapon
No separate rule; "ordinary pocket knife" test
Concealed: only if 21+ or licensed
Not listed as a deadly weapon
Own property; 21+ may carry without licence
Louisiana
Not named; concealed "dangerous weapon" banned
No separate rule; dangerous-weapon rule applies
Concealed carry of a dangerous weapon is an offence
⚠ Not yet verified
Concealed handgun permit holders exempt
Maine
Concealed 'dangerous' knives barred; folding not named
Former "dangerous knife" ban repealed (2015)
Concealed bowie knife, dirk, stiletto barred
Concealed carry allowed; misuse is a crime
—
Maryland
Penknife without switchblade is not a "weapon"
Listed weapon; sale or display is banned
Concealed banned; open only if no intent to injure
Allowed; not with intent to injure unlawfully
Reasonable precaution against apprehended danger
Massachusetts
Not named unless locking or spring-release
Locking-draw devices banned; switchblade ban void
Banned: dagger, dirk, stiletto, double-edged
18+ no permit; under 18 need a permit
⚠ Not yet verified
Michigan
Not named; "dangerous weapon" concealed is banned
Former mechanical-opening ban repealed (2017)
No concealed carry (felony); hunting knife excepted
Allowed (OC up to 18%); no sale to minors
Home, business, own land; hunting knife
Minnesota
Ordinary folding knives not named
Automatic switch blade knives banned
No general ban; school ban and unlawful-use offence
Allowed if aerosol, labelled, dated; under 16 need consent
—
Mississippi
Concealed carry of listed knives is an offence
Switchblade: no concealed carry
Concealed carry banned; visible sheath not concealed
⚠ Not yet verified
Home, business, vehicle; sports activity
Missouri
Concealed carry banned only in restricted areas
⚠ Not yet verified
Concealed ban only in restricted areas
⚠ Not yet verified
—
Montana
Carry offence covers firearms only
No section on automatic knives listed
No offence for carrying fixed blades listed
⚠ Not yet verified
—
Nebraska
Concealed ban only for under-21s, prohibited persons
⚠ Not yet verified
Concealed ban only for under-21s, prohibited persons
⚠ Not yet verified
—
Nevada
Not named; concealed "dangerous weapon" banned
Banned on school and child care property
No concealed carry without sheriff's permit
Allowed (aerosol up to 2 fl oz)
Sheriff's permit; officers exempt
New Hampshire
Knives not named in the carry offence
Not named in the carry offence
No carry ban; courthouse ban applies
No carry restriction; criminal use punished
—
New Jersey
Not listed; "manifestly appropriate" test
Banned without explainable lawful purpose
Dagger, dirk, stiletto banned without lawful purpose
18+, one pocket-sized device up to 3/4 oz
Explainable lawful purpose; military and officers exempt
New Mexico
Concealed deadly weapon barred; knives not named
Auto-opening knives barred
Concealed carry of deadly weapon barred
⚠ Not yet verified
Home, vehicle, officers, licence; school list
New York
Not listed; offence only with unlawful intent
Switchblades banned; gravity knives not listed
Offence only with intent to use unlawfully
Allowed 18+ (pocket-sized spray, no prior felony)
—
North Carolina
Ordinary closed pocket knife exempt
Spring-opened knives are not "ordinary pocket knives"
No concealed carry except on own premises
Self-defence allowed if no felony conviction
Own premises; officers and military
North Dakota
Not named if blade under 6 in
Switchblade/gravity knives named
Dangerous weapon; licence for concealed
Excluded from dangerous weapons
Licence (18+) or exemption
Ohio
Not a weapon unless used as one
⚠ Not yet verified
Offence only if used as a weapon
⚠ Not yet verified
Defences: work risk, fear of attack, home
Oklahoma
Knives not listed; proper use allowed
⚠ Not yet verified
Not listed; proper use allowed
⚠ Not yet verified
Self-defence, hunting, fishing, recreation
Oregon
Not named in concealed-carry ban
Concealed spring/gravity blade banned
Concealed dirk or dagger banned
Carrying in public places, Court facilities: Counts as weapon in court facilities
Only peace officers exempt
Pennsylvania
Not named in 908
Not named in 908
Only if no common lawful purpose
⚠ Not yet verified
Defences: curio, performance, found
Rhode Island
Concealed: 3 in blade limit
⚠ Not yet verified
Concealed over 3 in: offence
⚠ Not yet verified
⚠ Not yet verified
South Carolina
No general rule; limits at schools
No separate rule
Felony at schools if blade over 2 in
Self-defence only; max 50 cc
Secured in vehicle: allowed
South Dakota
Only concealment with felony intent
⚠ Not yet verified
Dangerous weapon includes some knives
⚠ Not yet verified
⚠ Not yet verified
Tennessee
Knives no longer in the go-armed offence (2014)
No separate rule; knives deleted from (a)(1) in 2014
Knives no longer in the go-armed offence (2014)
⚠ Not yet verified
⚠ Not yet verified
Texas
No carry ban for blades up to 5.5 in
No separate rule
Over 5.5 in: listed places; under-18s need supervision
Small commercial dispensers excluded
School authorisation
Utah
Concealed-carry offence covers firearms
No separate rule
Offence at schools (class B misdemeanour)
⚠ Not yet verified
Permit holders 21+, own property, approval
Vermont
Offence only with intent to injure
⚠ Not yet verified
Offence only with intent to injure
⚠ Not yet verified
⚠ Not yet verified
Virginia
Concealed list; folding knife not named
Not named; "like kind" clause
Concealed carry: Class 1 misdemeanour
Use for protection not barred
Home and own business exempt
Washington
Allowed unless intimidating or alarming
Spring blade banned; assisted opening not
Furtive concealed dagger or dirk: offence
18+ (14+ with parental consent)
Home, business, self-defence
West Virginia
Allowed; 18+ for concealed
Switchblade/gravity: 18+ may carry concealed
Over 3.5 in counts; sport/tool knives excluded
Not a deadly weapon if only for self-defence
18+, citizen or resident, not prohibited
Wisconsin
Knives excluded from concealed-carry ban
Any knife excluded
Any knife excluded
Allowed; under 18 forfeiture
Self-defence use exempt
Wyoming
No knife rule; concealed deadly weapon offence
No knife-specific rule
Concealed deadly weapon offence
⚠ Not yet verified
Officers, permit holders, permitless conditions

General information, not legal advice. Rules change: check the official source before you fly or ride.