Is Butterfly Knife Legal in Wisconsin? (2026)
Yes. In Wisconsin, butterfly knife is legal. Butterfly knives (balisongs) are legal to own, carry, and sell in this state. Some municipalities may have local restrictions. Age requirements for purchase typically apply. Carry method (open vs concealed) may be regulated separately..
Key facts
- Status
- Legal
- Permit required
- No
- Jurisdiction
- Wisconsin
- Last reviewed
- 2026-02-15
Butterfly Knife laws in Wisconsin
In Wisconsin, butterfly knives, also known as balisongs, are generally legal to own, possess, and sell. Unlike many other states, Wisconsin does not have specific statutes that explicitly ban or restrict the possession or carrying of butterfly knives. This means that, at the state level, there are no prohibitions based on the design of the knife. However, it is crucial to be aware that local municipalities within Wisconsin may enact their own ordinances that restrict the open or concealed carrying of such weapons. Furthermore, individuals must adhere to age restrictions for purchasing knives, which are common across the state for certain types of bladed weapons, and federal regulations, such as those enforced by the TSA, prohibit butterfly knives in carry-on luggage. While state law permits ownership, the practicalities of carrying butterfly knives can be subject to regulation. Wisconsin law differentiates between open and concealed carry. Openly carrying a butterfly knife is generally permissible under state law, provided it is done in a manner that does not cause alarm. Concealed carry, however, is more heavily regulated. While specific statutes do not outright ban concealed butterfly knives, they may fall under broader regulations concerning concealed weapons, and individuals carrying them concealed may need to comply with licensing or other requirements applicable to concealed firearms or other restricted weapons, depending on local interpretation and enforcement. It is advisable to consult local sheriff's departments or municipal police for clarification on specific local ordinances regarding carry methods. Travelers in or out of Wisconsin should be aware that specific federal regulations govern the transport of knives. The Transportation Security Administration (TSA) prohibits butterfly knives in carry-on baggage on commercial aircraft. They are permitted in checked baggage, provided they are safely packaged. Residents and visitors planning to travel should always verify TSA regulations before arriving at the airport. Finally, while state law is permissive, it is always prudent to be aware of and comply with any local ordinances in the specific municipality where one resides or plans to visit, as these can impose restrictions not found in state statutes.
Frequently asked questions
Is butterfly knife legal in Wisconsin for travelers?
For travelers visiting Wisconsin, butterfly knife is currently legal. In Wisconsin, butterfly knives, also known as balisongs, are generally legal to own, possess, and sell. Unlike many other states, Wisconsin does not have specific statutes that explicitly ban or restrict the possession or carrying of butterfly knives. This means that, at the state level, there are no prohibitions based on the design of the knife. However, it is crucial to be aware that local municipalities within Wisconsin may enact their own ordinances that restrict the open or concealed carrying of such weapons. Furthermore, individuals must adhere to age restrictions for purchasing knives, which are common across the state for certain types of bladed weapons, and federal regulations, such as those enforced by the TSA, prohibit butterfly knives in carry-on luggage. While state law permits ownership, the practicalities of carrying butterfly knives can be subject to regulation. Wisconsin law differentiates between open and concealed carry. Openly carrying a butterfly knife is generally permissible under state law, provided it is done in a manner that does not cause alarm. Concealed carry, however, is more heavily regulated. While specific statutes do not outright ban concealed butterfly knives, they may fall under broader regulations concerning concealed weapons, and individuals carrying them concealed may need to comply with licensing or other requirements applicable to concealed firearms or other restricted weapons, depending on local interpretation and enforcement. It is advisable to consult local sheriff's departments or municipal police for clarification on specific local ordinances regarding carry methods. Travelers in or out of Wisconsin should be aware that specific federal regulations govern the transport of knives. The Transportation Security Administration (TSA) prohibits butterfly knives in carry-on baggage on commercial aircraft. They are permitted in checked baggage, provided they are safely packaged. Residents and visitors planning to travel should always verify TSA regulations before arriving at the airport. Finally, while state law is permissive, it is always prudent to be aware of and comply with any local ordinances in the specific municipality where one resides or plans to visit, as these can impose restrictions not found in state statutes.
Do I need a permit for butterfly knife in Wisconsin?
Wisconsin does not specifically require a permit for butterfly knife, though general regulations apply.
Can I transport butterfly knife through Wisconsin?
Transport laws for butterfly knife in Wisconsin 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 Wisconsin?
Penalties for butterfly knife violations in Wisconsin vary based on the specific offense. Always verify current laws before traveling.