Rhode Island Knife Laws & Key Restrictions

Rhode Island’s knife laws date back to statutes enacted in 1896, making them among the longest-standing in the country. Section 11-47-42, which addresses knife possession and carry, has been revised multiple times over the years.

The most recent revision occurred in 2012. Despite the lengthy legislative history, the rules remain concise and focus primarily on whether a knife is carried openly or concealed and on blade length in concealed-carry situations.

There are no restrictions on owning any type of knife in Rhode Island. Switchblades, butterfly knives, bowie knives, and swords can be purchased and carried openly under state law. However, carrying a knife concealed triggers a different set of regulations, and violations may result in penalties ranging from fines to prison sentences.

In practice, Rhode Island’s knife laws turn on how a knife is carried and how long the blade is, not on the type of knife itself.

The Boundaries of Knife Carry in Rhode Island

• Rhode Island does not ban the ownership of any knife type, including switchblades, butterfly knives, and swords.

• Open carry of any knife is legal as long as there is no unlawful intent against another person.

• Concealed carry of any knife with a blade longer than 3 inches is illegal.

• Certain named weapons, such as daggers, dirks, stilettos, bowie knives, and sword canes, cannot be concealed regardless of blade length.

• Penalties for violating concealed carry provisions include fines up to $1,000 and up to 1 year in prison.

• Committing a crime of violence while possessing a knife with a blade over 3 inches carries 1 to 5 years in prison and fines up to $3,000.

• Selling restricted weapons to minors under 18 without written parental authorization carries enhanced penalties.

• Local municipalities can pass their own knife restrictions because Rhode Island has no statewide preemption.

• Collectors and those with lawful purposes are exempt from the carry prohibitions.

• No new legislative changes to these knife statutes were enacted in 2025 or 2026, according to available legal databases.

What You Can Legally Own

Rhode Island law permits ownership of all types of knives. Automatic knives, often called switchblades, are legal. The state did not adopt anti-switchblade laws during the 1950s, unlike many others. Butterfly knives, fixed-blade knives, bowie knives, daggers, dirks, stilettos, and swords may be owned without restriction.

Open carry of any knife is permitted, provided there is no intent to use the knife unlawfully against another person. This standard is established in § 11-47-42 and applies to all weapons covered by the statute.

Concealed Carry Restrictions

Rhode Island’s concealed carry regulations identify two categories of restricted knives.

Knives Restricted by Blade Length

A knife with a blade longer than 3 inches cannot be carried concealed, regardless of type. Blade length is measured from the point where the blade meets the handle to the tip. Folding knives with blades 3 inches or shorter may be carried concealed; blades longer than 3 inches may not.

Knives Restricted by Type

Certain named weapons are banned from concealed carry, no matter how short the blade is. These include:

• Daggers

• Dirks

• Stilettos

• Sword canes

• Bowie knives

• Other similar weapons

A dagger with a blade shorter than 3 inches is still prohibited from concealed carry. The statute also bans the concealed carry of razors. Additionally, § 11-47-42 prohibits the possession of “Kung-Fu” weapons, which is a separate restriction.

Penalties for Violations

Penalties in Rhode Island vary according to the type of offense.

The penalties for selling to minors are notably steeper than those for a general carry violation. Written authorization from a parent or guardian is required before any sale of a restricted weapon to someone under 18.

Exemptions Under the Law

Rhode Island provides several exemptions under § 11-47-43 for people who would otherwise fall under the carry prohibitions.

Collectors and lawful purpose holders. If you possess or are building a collection of weapons as curios, or you hold them for educational, professional, scientific, or any other lawful purpose, the prohibitions do not apply to you.

The key qualifier is that you must not have the intent to use the weapon unlawfully. This exemption provides substantial leeway for collectors, historians, and professionals who work with edged tools.

Law enforcement. Police officers, sheriffs, and correctional guards whose duties require them to arrest or keep prisoners are exempt from the concealed carry restrictions.

Rules for Retailers

Rhode Island has a specific provision under § 11-47-47 that applies to businesses. No person, firm, or corporation can display a dagger, dirk, bowie knife, stiletto, metal knuckles, or blackjack in a window display at a place of business. This does not mean these items cannot be sold. It means they cannot be placed in storefront windows for public visibility.

Retailers also need to be careful about sales to minors. As mentioned above, selling restricted weapons to anyone under 18 without written parental authorization carries prison time of 1 to 5 years and fines between $1,000 and $3,000.

Knives on School Grounds

Under § 11-47-60.2, any student found carrying a weapon as defined in § 11-47-42 on school grounds triggers a mandatory reporting requirement. The school principal must immediately notify both the student’s parents and local law enforcement.

This applies to all weapons covered under the statute, so any knife that falls within the concealed carry prohibitions would be included.

Local Ordinances and the Absence of Preemption

There is no statewide preemption for knife laws in Rhode Island. Cities and towns may enact ordinances with restrictions beyond those in state law.

Here are two known examples:

• North Kingstown prohibits carrying knives during picketing or demonstrations.

• South Kingstown bans knives with blades longer than 3 inches from public parks.

Other municipalities may have their own local rules as well. Because there is no preemption, you should check the local ordinances of any town or city you plan to visit or travel through if you intend to carry a knife.

Quick Reference Summary

Rhode Island Knife Law in Practice

Rhode Island law does not limit knife ownership or open carry. Restrictions focus on concealed carry, specifically blade length and certain weapon types.

If you carry a knife concealed and the blade exceeds 3 inches, or if the knife falls into one of the named categories like daggers or stilettos, you are exposed to criminal penalties.

Local ordinances may impose additional knife restrictions beyond state law. What is permitted at the state level may differ at the municipal level.

Laws can change, and local ordinances can vary from one municipality to the next. Before carrying a knife in Rhode Island or travelling with one, take a moment to confirm what is permitted in your destination. Knowing the blade limits, the named weapon restrictions, and the local rules will help you avoid unnecessary trouble.