Is Butterfly Knife Legal in Indiana? (2026)

Key facts

Status

Legal

Permit required

No

Jurisdiction

Indiana

Last reviewed

2026-04-09

Butterfly Knife laws in Indiana

In Indiana, butterfly knives, also commonly known as balisongs, are generally legal to own, possess, and sell. Indiana Code § 35-47-5-4.1 addresses unlawful possession of a destructive device, which typically pertains to weapons designed to explode or discharge a projectile by explosion. While butterfly knives are not inherently destructive devices under this statute, their classification can sometimes be confused with switchblade knives. Indiana Code § 35-47-5-1 defines a "switchblade knife" as a knife having a blade that opens automatically by spring pressure or other mechanical means, a definition that does not directly encompass the manual opening mechanism of a butterfly knife. Therefore, absent specific local ordinances to the contrary, possession is permissible. While state law permits ownership, transportation of butterfly knives may be subject to restrictions, though specific state statutes detailing these transport limitations are not as clearly defined as those for other types of weapons. It is crucial for individuals to be aware that some municipalities within Indiana may have their own ordinances that restrict the possession or carry of butterfly knives, even if state law is silent. These local regulations can impose stricter rules and potentially lead to violations and penalties. Furthermore, age restrictions for purchasing knives, similar to other states, may apply. Travelers and residents should exercise caution when carrying butterfly knives. While open carry might be less regulated, concealed carry can be subject to more stringent rules and may be viewed with greater scrutiny, potentially falling under broader concealed weapon regulations that require permits. For those traveling by air, the Transportation Security Administration (TSA) explicitly prohibits butterfly knives in carry-on luggage, and they are generally permitted only in checked baggage under specific conditions, such as being securely packed. It is always advisable to research local ordinances in any given municipality and to confirm current TSA regulations before traveling.

Frequently asked questions

Is butterfly knife legal in Indiana for travelers?

For travelers visiting Indiana, butterfly knife is currently legal. In Indiana, butterfly knives, also commonly known as balisongs, are generally legal to own, possess, and sell. Indiana Code § 35-47-5-4.1 addresses unlawful possession of a destructive device, which typically pertains to weapons designed to explode or discharge a projectile by explosion. While butterfly knives are not inherently destructive devices under this statute, their classification can sometimes be confused with switchblade knives. Indiana Code § 35-47-5-1 defines a "switchblade knife" as a knife having a blade that opens automatically by spring pressure or other mechanical means, a definition that does not directly encompass the manual opening mechanism of a butterfly knife. Therefore, absent specific local ordinances to the contrary, possession is permissible. While state law permits ownership, transportation of butterfly knives may be subject to restrictions, though specific state statutes detailing these transport limitations are not as clearly defined as those for other types of weapons. It is crucial for individuals to be aware that some municipalities within Indiana may have their own ordinances that restrict the possession or carry of butterfly knives, even if state law is silent. These local regulations can impose stricter rules and potentially lead to violations and penalties. Furthermore, age restrictions for purchasing knives, similar to other states, may apply. Travelers and residents should exercise caution when carrying butterfly knives. While open carry might be less regulated, concealed carry can be subject to more stringent rules and may be viewed with greater scrutiny, potentially falling under broader concealed weapon regulations that require permits. For those traveling by air, the Transportation Security Administration (TSA) explicitly prohibits butterfly knives in carry-on luggage, and they are generally permitted only in checked baggage under specific conditions, such as being securely packed. It is always advisable to research local ordinances in any given municipality and to confirm current TSA regulations before traveling.

Do I need a permit for butterfly knife in Indiana?

Indiana does not specifically require a permit for butterfly knife, though general regulations apply.

Can I transport butterfly knife through Indiana?

Transport laws for butterfly knife in Indiana depend on the specific item and your route. Generally, transport is allowed if you comply with state regulations. Always check states you pass through.

What are the penalties for butterfly knife violations in Indiana?

Penalties for butterfly knife violations in Indiana vary based on the specific offense. Always verify current laws before traveling.