Knife Laws in Maine

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Knife laws in Maine are vague. As a result, most people find it difficult to determine whether or not certain types of knives are allowed or banned. Here is everything you need to know about the knife laws in Maine.

What knives are legal to own in Maine?

Lighthouse in Portland, Maine
Lighthouse in Portland, Maine

While banned in many other states, bowie knives and other large blade knives are legal in Maine. The same goes for throwing stars – illegal in some states, they are allowed in Maine. Throwing knives are also permitted.

Stabbing knives like stilettos, daggers, and dirks are totally legal, not to mention switchblades, other automatic knives, or balisong knives. Disguised knives are also allowed.

What knives are illegal to own in Maine?

The laws in Maine do not talk about any illegal knives. So, in theory, you can own any knife you want. However, some restrictions apply to how you carry it or use it.

What are the limits on carry?

You can carry any knife in the open. However, when carried in the open, you should not display knives in a threatening manner. What’s threatening is a very subjective point.

Concealed Carry

Most restrictions apply to concealed carry. For instance, You cannot carry switchblades and other automatic knives concealed. The same goes for stilettos, bowie knives, and dirks. They can be carried in the open, though.

Restrictions on Carry in Specific Locations / Circumstances

Schools are weapon-free zones in Maine, so you cannot bring any knives over. You cannot carry them in the open either. The same rule applies to anything related to schools – school buses, school grounds, or even activities organized by schools, even if they take place somewhere else.

Restrictions on Sale or Transfer

There are no restrictions on sale or transfer. Since there are no banned knives in Maine, you can manufacture, sell or give all kinds of knives.

Is there a statewide pre-emption?

There is no statewide pre-emption regarding knives in Maine.

Major Cities in Maine with Knife Ordinances



The concealed carry restriction does not apply to knives used to hunt, fish, or trap. There are no other exceptions documented in the laws. Everyone must follow the same rules, including members of the military or law enforcement agencies.

Summary of Knife Laws in Maine

All knives are legal to own in Maine. There is no critical blade length to keep in mind either. Restrictions apply to the concealed carry of dirks, switchblades, and stilettos. Any knife is allowed to carry openly if you do not display it in a threatening manner.