Maximum Legal Blade Length
- No statewide maximum blade length
- Local Preemption: State preempts local knife ordinances (effective Aug. 1, 2024)
Categories of Knives
Louisiana is knife‑friendly; most common knife types are lawful to own and carry, subject to general location restrictions (e.g., schools) and intent‑based crimes.
Prohibited and Federally Regulated Knives
- Switchblades/Automatics: Legal to possess and carry, including concealed (state ban on concealed switchblades repealed; see also federal interstate commerce restrictions)
- Ballistic Knives: Prohibited under federal law in interstate commerce
- Federal Interstate Ban: Switchblades and ballistic knives are restricted in interstate commerce (15 U.S.C. §§ 1241–1245)
State-Specific Legal Knives
- Gravity Knives: Legal; no state blade‑length limit
- Butterfly/Balisong Knives: Legal; no specific restrictions
- Assisted‑Opening Knives: Treated as regular folding knives
- Concealed/Disguised Knives: Generally legal absent intent to commit a crime; respect restricted locations
Generally Legal Knives
- Pocket/Folding Knives: No state blade‑length restrictions
- Fixed/Utility Knives: No state blade‑length restrictions
Carry Restrictions
- Concealed Carry: Generally permitted for common knife types, including automatics
- Open Carry: Generally unrestricted
- Restricted Locations: Schools, certain government buildings, and secured areas mirror firearm restrictions
Local Ordinance Preemption
- Preemption Status: State preempts all local knife ordinances (effective Aug. 1, 2024)
Significant Differences from Gun Laws
- Background Checks/Registration: None for knives
- Self‑Defense Standards: Same use‑of‑force framework applies regardless of weapon type
- Age Restrictions: No statewide knife‑specific age limits; schools and juvenile rules still apply