Legal note: This page is a CJRB educational summary, not legal advice. Wisconsin knife law can change, and local, federal, school, courthouse, airport, workplace, event, public-property, private-property, and transit rules may add restrictions. Use the source links below as a starting point and consult a qualified attorney for legal advice.
Last checked: July 25, 2026 · Primary sources: official state code, Justia, and official local/agency sources listed below
Wisconsin Knife Law Snapshot
Short version: Wisconsin repealed its old switchblade ban and excludes knives from the concealed-carry dangerous-weapon definition for most people, but firearm-prohibited persons, schools, government buildings, and private-property rules still matter.
Wisconsin is generally knife-friendly after Act 149.
Older switchblade-ban summaries are outdated.
Concealed knife rule can apply to firearm-prohibited persons.
Schools remain separate high-risk places.
Can You Carry a Knife in Wisconsin?
| Situation | Plain-English summary | Status | Source |
|---|---|---|---|
| Ordinary pocketknife | Generally lower risk for persons not otherwise prohibited and outside restricted places. | Generally allowed | Wis. Stat. section 941.23 |
| Switchblade / automatic / butterfly knife | The old switchblade statute was repealed; current analysis should not rely on the old ban. | Updated | Wis. Stat. section 941.24 history |
| Concealed knife by firearm-prohibited person | Wisconsin separately criminalizes concealed knives that are dangerous weapons for persons prohibited from possessing firearms. | Restricted | Wis. Stat. section 941.231 |
| School zone / school building | Dangerous-weapon and school-specific statutes and policies must be checked. | Avoid / check | Wis. Stat. section 948.61 |
| Courthouse / government / private places | Courthouse, public-building, employer, venue, and private-property rules can still restrict carry. | Check place | Wis. Stat. chapter 941 |
Knife Type Notes
Use this as a practical EDC check. Ownership, open carry, concealed carry, place restrictions, age, and intent can be separate questions.
| Knife type | State summary | Carry risk |
|---|---|---|
| Pocket knives | Generally favorable for lawful adults. | Low |
| Switchblades / automatics | Old statewide ban repealed; still check status/place. | Low to medium |
| Balisongs | Old butterfly/switchblade concerns should be checked against current law; status/place still matter. | Low to medium |
| Concealed knife by firearm-prohibited person | High caution. | High |
Repeal and Status-Based Rules
Place-based and local rules are where many EDC mistakes happen. Check the exact school, courthouse, airport, park, transit system, workplace, venue, and private-property rule before carrying.
| Rule area | What to know | Status | Source |
|---|---|---|---|
| Concealed weapon statute | Current concealed-weapon law generally excludes knives from dangerous weapon treatment, with exceptions. | Caution | Wis. Stat. section 941.23 |
| Firearm-prohibited persons | Section 941.231 is the key knife-specific status restriction. | Caution | Wis. Stat. section 941.231 |
Practical EDC Checklist
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01Start with knife type: Confirm whether the knife is ordinary utility carry or a listed/restricted weapon category.
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02Check carry method: Open carry and concealed carry can be treated differently.
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03Check the place: Schools, courthouses, airports, jails, public buildings, parks, and private venues often have stricter rules.
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04Check age and status: Minors, prohibited persons, and restricted-license contexts can change the answer.
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05Avoid weapon-like conduct: Threatening display, unlawful intent, or criminal-use facts can turn a tool into a legal problem.
Relevant Legal Sources
| Source | Why it matters | Status | Citation |
|---|---|---|---|
| Wis. Stat. section 941.23 | Carrying concealed weapon. | Source | Wis. Stat. section 941.23 |
| Wis. Stat. section 941.231 | Carrying a concealed knife by firearm-prohibited person. | Source | Wis. Stat. section 941.231 |
| Wisconsin State Law Library chapter 941 elements | Official legal research guide summarizing 941.23 and 941.231 elements. | Source | Wisconsin State Law Library chapter 941 elements |
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