Where Are Butterfly Knives Against the Law?

SurvivalLife.com says that Hawaii, Maine, New Mexico, and Wisconsin are the only states with laws that make it illegal to carry a butterfly knife. Many other states have laws that limit the use of these knives in different ways.

A butterfly knife, which is also called a Balisong knife, is dangerous and against the law in some states because it can be used as a deadly weapon so easily. Some states, like Tennessee and Washington, don’t have clear laws about these knives because their legality depends on whether they are considered switchblades or not.

In Wyoming, North Dakota, and Oklahoma, you can carry these knives as long as you don’t hide them. Some states have rules about who can own them. For example, in New Hampshire, felons who have been convicted of crimes against people or property cannot own them, and in New York, only citizens can carry them. New York may also require that people who carry these knives have the right permits to hunt or fish.

If you own a butterfly or Balisong knife, you need to know the laws of your state and any other states you might visit. Even having one of these knives in the car across state lines could get someone in trouble with the law.

Misha Khatri
Misha Khatri is an emeritus professor in the University of Notre Dame's Department of Chemistry and Biochemistry. He graduated from Northern Illinois University with a BSc in Chemistry and Mathematics and a PhD in Physical Analytical Chemistry from the University of Utah.


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