Is Butterfly Knives Legal in Wisconsin? (2026)
Partially — Butterfly Knives are legal with restrictions in Wisconsin as of 2026.
Law changed in 2016: The most significant recent change was the 2016 law that legalized the possession and carry of butterfly knives.
Quick Answer
Butterfly knives are legal to possess in Wisconsin, but concealed carry is generally prohibited. The most significant recent change was the 2016 law that legalized the possession and carry of butterfly knives.
- Age restriction: 18+
What the Law Says
Wisconsin law prohibits the concealed carry of a butterfly knife. Open carry is permitted.
— Wis. Stat. § 941.24
| Category | Details |
|---|---|
| Possession | Legal to own at home |
| Sale & Purchase | Legal to sell |
| Penalties | Carrying concealed may result in misdemeanor charges. |
| Age Restriction | 18+ |
| Pending Legislation | None known |
The most significant recent change was the 2016 law that legalized the possession and carry of butterfly knives.
Enforcement Reality
Wisconsin legalized the possession and carry of butterfly knives in 2016. There are no restrictions on open or concealed carry for individuals who are not prohibited from possessing a firearm.
A common mistake is for individuals prohibited from possessing a firearm to carry a butterfly knife, which is illegal.
Local Exceptions
None identified. State law applies uniformly across Wisconsin. Local ordinances may still vary — check with your city or county government for any additional rules.
Bottom Line
Butterfly Knives are legal with restrictions in Wisconsin. This product is permitted, but specific conditions apply. Violating those conditions can result in fines or criminal charges. Read the rules carefully and consult an attorney if unsure.
Wisconsin vs. the Rest of the US
Across the US, carrying a butterfly knife is fully legal in 38 states, restricted in 11, and illegal in 1. Wisconsin falls in the RESTRICTED category.
View the full 50-state map →Neighboring States
Laws change at state lines. Here is how bordering states compare on Butterfly Knives:
Frequently Asked Questions
Is it legal to carry Butterfly Knives in Wisconsin?
What are the restrictions on carrying a butterfly knife in Wisconsin?
What mistakes do people make with carrying a butterfly knife in Wisconsin?
What is the age restriction for carrying a butterfly knife in Wisconsin?
Does the law on carrying a butterfly knife change at the Wisconsin border?
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Reviewed by cross-referencing the cited state statute against current legislative databases and regulatory publications.
Sources & Verification
This page was reviewed by Ethan Harper by comparing the legal status against the cited state statute. AllowedHere is an informational resource and does not provide legal advice. Consult a licensed attorney for guidance specific to your situation.
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