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Hawaii knife laws

Hawaii knife laws
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In Hawaii, like in many other states, knife laws are formulated to regulate the ownership, possession, and carrying of various types of knives to ensure public safety. Understanding these laws is essential to comply with state regulations and to avoid any legal repercussions. These laws outline the types of knives that are legal and illegal, as well as the specifics of carrying knives both openly and concealed.

Types of Knives

Legal Knives

In Hawaii, individuals are generally allowed to own and possess various types of knives, including but not limited to:

Illegal Knives

As per Hawaiian law, several types of knives are considered illegal to possess, manufacture, or transfer. These include:

Carrying Laws

Open Carry

Hawaii does not have explicit laws prohibiting the open carry of legal knives. However, the carrying of any knife, legal or not, with the intent to use it unlawfully against another person is prohibited.

Concealed Carry

Carrying a concealed knife in Hawaii is largely restricted. It is generally illegal to carry a dirk, dagger, butterfly knife, switchblade, or any knife with a blade longer than 1.5 inches concealed upon one’s person.

Restricted Locations

Certain locations in Hawaii have restrictions on carrying knives, irrespective of the type. These locations often include:

  1. Schools and school grounds
  2. Government buildings
  3. Airports and secured areas
  4. Public gatherings or events

Law Enforcement or Military Exceptions

Members of the law enforcement community and the military are usually exempt from some restrictions imposed on civilians. These individuals may be permitted to carry otherwise restricted knives, both openly and concealed, when acting in the course of their official duties.

Consequences of Law Violation

Violation of knife laws in Hawaii can lead to various consequences including:

Persons found guilty of violating Hawaii’s knife laws may face criminal charges which might have long-term repercussions including a criminal record.


Knife laws in Hawaii are structured to maintain safety and order within the state. While certain knives are permitted, the state has strict regulations on the carrying and possession of others, especially in specific public locations. It is essential to adhere to these laws to avoid penalties which may include fines and incarceration. As these laws are subject to change, it is advisable to consult with legal resources or local law enforcement for the most current information.


Hawaii Revised Statutes

Legal Beagle – “Knife Laws in Hawaii”

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