Are Butterfly Knives Legal in Kansas? (2026)
Yes — Butterfly Knives are legal in Kansas as of 2026.
Quick Answer
Butterfly knives are legal to own and carry in Kansas with no specific restrictions beyond general knife laws. No significant legislative changes since the 2013 repeal of restrictions.
- Age restriction: 18+ for purchase
What the Law Says
Kansas repealed all restrictions on butterfly knives in 2013. There are no state-level prohibitions on ownership or carry.
— K.S.A. § 21-6301
| Category | Details |
|---|---|
| Possession | Legal |
| Sale & Purchase | Legal |
| Penalties | N/A |
| Age Restriction | 18+ for purchase |
| Pending Legislation | None known |
No significant legislative changes since the 2013 repeal of restrictions.
Enforcement Reality
Kansas repealed its restrictions on butterfly knives in 2013. There are no state-level restrictions on ownership or carry, and enforcement is minimal.
The most common mistake is being unaware of the complete lack of restrictions, leading to unnecessary caution.
Local Exceptions
None identified. State law applies uniformly across Kansas. Local ordinances may still vary — check with your city or county government for any additional rules.
Real-World Scenarios: Butterfly Knives in Kansas
Can You Fly With Butterfly Knives Out of Kansas?
Butterfly Knives may be legal in Kansas, but airports are federal territory. TSA screens under federal rules, not state law. If the item is federally restricted, expect problems at the checkpoint. Even if it clears TSA, the laws of your destination state apply the moment you land. Plenty of travelers have learned this the hard way — legal when they packed, criminal when they arrived.
Bottom Line
Butterfly Knives are legal in Kansas. You can carry them without violating state law, though federal rules and local ordinances may still apply. Always verify current law before acting.
Kansas vs. the Rest of the US
Across the US, carrying a butterfly knife is fully legal in 39 states, restricted in 10, and illegal in 1. Kansas falls in the LEGAL category.
View the full 50-state map →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.
Comprehensive Kansas Legal Guides
Explore all related legal topics in Kansas — statutes, penalties, and enforcement in one place.