Knife Laws in Hawaii

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Knife laws in Hawaii are complex. Some knives are legal to own but cannot be carried at all. There are various restrictions, and becoming familiar with local laws and regulations can keep trouble away. Here is everything you need to know about knife laws in Hawaii.

What knives are legal to own in Hawaii?

Oahu, Hawaii
Oahu, Hawaii

Unlike other states, Hawaii has not banned bowie knives. Other similar knives with large blades are allowed too. Throwing knives and stars are also accepted, not to mention disguised knives and push knives. You can own an undetectable knife without breaking the law, and you can have stilettos, daggers, and dirks without worrying that you might break the law.

What knives are illegal to own in Hawaii?

There are not many knives that you have to avoid. Bali knives and switchblades are the only types of knives banned in Hawaii. Everything else is perfectly legal to own.

What are the limits on carry?

Hawaii has a precise regulation when it comes to carrying knives. There are no knives that you can carry openly but not concealed. There is no distinction between open carrying and concealed carrying.

Knives considered dangerous weapons cannot be carried in Hawaii, whether open or concealed. This law affects all that can be classified as weapons. For example, Blackjacks, daggers, dirks, billies, slug shots, metallic knuckles, or pistols – cannot be carried in Hawaii. In short, some knives are legal to own but not permitted to carry.

Restrictions on Carry in Specific Locations / Circumstances

There is zero tolerance for knives on school grounds, school buses, or while attending activities organized by schools.

Restrictions on Sale or Transfer

There are not many restrictions on sales or transfers in Hawaii. However, butterfly knives and switchblades cannot be sold or transferred.

Is there a statewide pre-emption?

There is not a statewide pre-emption in Hawaii.

Major Cities in Hawaii with Knife Ordinances

There are no cities in Hawaii with their own knife laws.


There are no exceptions applicable even for law enforcement professionals, army members, or veterans.

Summary of Knife Laws in Hawaii

Knife laws in Hawaii are not very confusing if you pay attention. You can own most knives. Non-dangerous knives can be carried open and concealed. In other words, you can carry a hunting or diving knife for their apparent purposes. There are no critical dimensions to remember – potential restrictions apply to types of knives, not sizes.