Is Butterfly Knife Legal in Colorado? (2026)

Key facts

Status

Legal

Permit required

No

Jurisdiction

Colorado

Last reviewed

2026-04-09

Butterfly Knife laws in Colorado

In Colorado, butterfly knives, also known as balisongs, are generally legal to possess and carry. Unlike some other states, Colorado does not have a statewide prohibition against these types of knives. This means that ownership, sale, and open carry of butterfly knives are permitted under state law. However, individuals should be aware that local municipalities may enact their own ordinances that restrict the possession or carrying of certain types of knives, including butterfly knives. Furthermore, age restrictions for purchasing knives may apply, consistent with general sales regulations for such items. While state law permits possession and open carry, the transport status of butterfly knives is noted as restricted. This typically refers to circumstances such as carrying the knife in a vehicle or transporting it across state lines, which may be subject to specific regulations designed to prevent the weaponization of such items. The distinction between open and concealed carry can also be significant, with concealed carry often subject to more stringent regulations and requiring specific permits, regardless of the knife's classification. Travelers should note that butterfly knives are prohibited in carry-on luggage by the Transportation Security Administration (TSA). Penalties for violating any applicable state or local laws regarding butterfly knives would generally fall under statutes related to prohibited weapons or unlawful carrying of weapons. While specific penalties can vary based on the jurisdiction and the exact nature of the violation, they could range from misdemeanor charges with potential fines and jail time to felony classifications for more serious offenses or repeat violations. It is crucial for residents and visitors to familiarize themselves with both state statutes and any local ordinances that may govern the possession and carrying of butterfly knives to avoid legal repercussions.

Frequently asked questions

Is butterfly knife legal in Colorado for travelers?

For travelers visiting Colorado, butterfly knife is currently legal. In Colorado, butterfly knives, also known as balisongs, are generally legal to possess and carry. Unlike some other states, Colorado does not have a statewide prohibition against these types of knives. This means that ownership, sale, and open carry of butterfly knives are permitted under state law. However, individuals should be aware that local municipalities may enact their own ordinances that restrict the possession or carrying of certain types of knives, including butterfly knives. Furthermore, age restrictions for purchasing knives may apply, consistent with general sales regulations for such items. While state law permits possession and open carry, the transport status of butterfly knives is noted as restricted. This typically refers to circumstances such as carrying the knife in a vehicle or transporting it across state lines, which may be subject to specific regulations designed to prevent the weaponization of such items. The distinction between open and concealed carry can also be significant, with concealed carry often subject to more stringent regulations and requiring specific permits, regardless of the knife's classification. Travelers should note that butterfly knives are prohibited in carry-on luggage by the Transportation Security Administration (TSA). Penalties for violating any applicable state or local laws regarding butterfly knives would generally fall under statutes related to prohibited weapons or unlawful carrying of weapons. While specific penalties can vary based on the jurisdiction and the exact nature of the violation, they could range from misdemeanor charges with potential fines and jail time to felony classifications for more serious offenses or repeat violations. It is crucial for residents and visitors to familiarize themselves with both state statutes and any local ordinances that may govern the possession and carrying of butterfly knives to avoid legal repercussions.

Do I need a permit for butterfly knife in Colorado?

Colorado does not specifically require a permit for butterfly knife, though general regulations apply.

Can I transport butterfly knife through Colorado?

Transport laws for butterfly knife in Colorado depend on the specific item and your route. Generally, transport is allowed if you comply with state regulations. Always check states you pass through.

What are the penalties for butterfly knife violations in Colorado?

Penalties for butterfly knife violations in Colorado vary based on the specific offense. Always verify current laws before traveling.