Legal note: This page is a CJRB educational summary, not legal advice. Utah knife law can change, and local, federal, school, courthouse, airport, workplace, event, public-property, private-property, and transit rules may add restrictions. Use the source links below as a starting point and consult a qualified attorney for legal advice.
Last checked: July 24, 2026 · Primary sources: Utah Code 76-1-101.5 plus related official/local sources listed below
Utah Knife Law Snapshot
Short version: Utah is favorable for ordinary knives and has knife-specific state preemption for municipalities. The main risks are dangerous-weapon use, prohibited persons, schools, correctional/secure areas, and private property.
Utah does not broadly restrict ordinary knife possession or carry in the reviewed sources.
Utah reserves knife regulation to the state.
Dangerous weapons are restricted on or about school premises.
Any item capable of serious injury can be a dangerous weapon depending on use.
Can You Carry a Knife in Utah?
| Situation | Plain-English summary | Status | Source |
|---|---|---|---|
| Ordinary pocketknife or OTF/automatic knife | No statewide blade-length or mechanism ban found in the reviewed Utah sources. Carry still depends on place, person status, and conduct. | Generally allowed | Utah Code 10-8-47.5, 76-1-101.5 |
| Municipal knife ordinance | Utah reserves authority to regulate knives to the state unless the Legislature specifically delegates responsibility. | Preempted | Utah Code 10-8-47.5 |
| Dangerous weapon use or threat | Utah's dangerous-weapon definition is broad and can include any item capable of causing death or serious bodily injury, or a representation used to create that belief. | Conduct caution | Utah Code 76-1-101.5 |
| School premises | An adult may not possess a dangerous weapon on or about school premises unless an exception applies. | Avoid | Utah Code 76-10-505.5 |
| Secure or correctional areas | Utah separately restricts prohibited items in secure/prohibited areas and correctional or mental-health facilities. | Avoid | Utah Code 76-8-311.1, 76-8-311.3 |
Knife Type Notes
Use this section as a practical EDC check. A knife can be legal to own but still risky to carry because of concealment, location, age, conduct, or local rules.
| Knife type | State summary | Carry risk |
|---|---|---|
| Pocket knives | Lower risk in ordinary public carry. | Low |
| Switchblades / OTF knives | No mechanism-specific statewide ban found in reviewed sources. | Low |
| Large fixed blades | Legal status depends on dangerous-weapon context and location. | Medium |
| Balisongs | No balisong-specific statewide rule found in reviewed sources. | Low |
Preemption and School Rules
Local and place-based rules are often where EDC users get surprised. Check the exact city, campus, venue, transit system, workplace, and private-property rules before carrying.
| Rule area | What to know | Status | Source |
|---|---|---|---|
| Municipal preemption | Municipalities may not enact or enforce knife ordinances unless specifically authorized, and criminal penalties cannot be more restrictive than state law. | Caution | Utah Code 10-8-47.5 |
| School premises | Public/private elementary, secondary, higher education, preschool, and child-care locations are covered by the school-premises statute. | Caution | Utah Code 76-10-505.5 |
Practical EDC Checklist
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01Start with the knife type: Confirm whether the knife is ordinary utility carry or a listed/restricted weapon category.
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02Check concealment: Some states treat open and concealed carry differently, and some cities add local concealed-carry limits.
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03Check the place: Schools, court facilities, government buildings, parks, public transit, airports, and private venues often have stricter rules.
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04Avoid threatening conduct: Displaying, drawing, or carrying a knife as a weapon can change the legal analysis quickly.
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05Verify local law: State law is only the first layer unless the state has strong knife preemption.
Relevant Legal Sources
| Source | Why it matters | Status | Citation |
|---|---|---|---|
| Utah Code 76-1-101.5 | Dangerous weapon definition. | Source | Utah Code 76-1-101.5 |
| Utah Code 10-8-47.5 | Municipal knife preemption. | Source | Utah Code 10-8-47.5 |
| Utah Code 76-10-505.5 | School premises dangerous weapon rules. | Source | Utah Code 76-10-505.5 |
| Utah BCI law references | State law reference page for weapons and prohibited areas. | Source | Utah BCI law references |
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