Legal note: This page is a CJRB educational summary, not legal advice. Maryland 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 25, 2026 · Primary sources: official state code, Justia, and official local/agency sources listed below
Maryland Knife Law Snapshot
Short version: Maryland excludes a penknife without a switchblade from its weapon definition, but dirk knives, bowie knives, switchblade knives, star knives, and razors are listed weapons. Concealed carry of dangerous weapons and unlawful-intent open carry create significant EDC risk.
Excluded from the section 4-101 weapon definition.
Concealed carry of dangerous weapons is restricted.
Sale/barter/display/offer rules apply.
Certain counties restrict minors carrying dangerous weapons at night.
Can You Carry a Knife in Maryland?
| Situation | Plain-English summary | Status | Source |
|---|---|---|---|
| Penknife without switchblade | Maryland's weapon definition does not include a penknife without a switchblade. | Generally allowed | Crim. Law section 4-101 |
| Dirk, bowie, switchblade, star knife, razor | These are listed weapons for section 4-101 analysis. | Caution | Crim. Law section 4-101 |
| Concealed dangerous weapon | Maryland restricts wearing or carrying a dangerous weapon concealed on or about the person. | Restricted | Crim. Law section 4-101 |
| Open carry with unlawful intent | Open carry is restricted when done with intent or purpose of unlawfully injuring someone. | Conduct caution | Crim. Law section 4-101 |
| Switchblade or shooting knife sales | Maryland restricts sale, barter, display, or offer of switchblade knives and shooting knives. | Sale restricted | Crim. Law section 4-105 |
Knife Type Notes
Use this as a practical EDC check. Ownership, open carry, concealed carry, place restrictions, age, and intent can be separate questions.
| Knife type | State summary | Carry risk |
|---|---|---|
| Penknives without switchblade | Best low-risk category under the reviewed statute. | Low |
| Switchblades | Listed weapon and sale-restricted. | High |
| Bowie / dirk / star knife / razor | Listed weapon categories. | High |
| Balisongs | No balisong-specific statewide text found in reviewed sources; avoid treating as a penknife without legal review. | Medium |
Concealed Carry and Sale Rules
Place-based and local rules are where many EDC mistakes happen. Check the exact school, courthouse, airport, park, transit system, workplace, venue, and private-property rule before carrying.
| Rule area | What to know | Status | Source |
|---|---|---|---|
| Concealed dangerous weapon | Concealed carry is the central Maryland knife-law risk. | Caution | Crim. Law section 4-101 |
| Switchblade sale | Sale and display rules are separate from personal carry analysis. | Caution | Crim. Law section 4-105 |
Practical EDC Checklist
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01Start with knife type: Confirm whether the knife is ordinary utility carry or a listed/restricted weapon category.
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02Check carry method: Open carry and concealed carry can be treated differently.
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03Check the place: Schools, courthouses, airports, jails, public buildings, parks, and private venues often have stricter rules.
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04Check age and status: Minors, prohibited persons, and restricted-license contexts can change the answer.
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05Avoid weapon-like conduct: Threatening display, unlawful intent, or criminal-use facts can turn a tool into a legal problem.
Relevant Legal Sources
| Source | Why it matters | Status | Citation |
|---|---|---|---|
| Crim. Law section 4-101 | Weapon definition, concealed carry, unlawful-intent open carry, minor nighttime rule. | Source | Crim. Law section 4-101 |
| Crim. Law section 4-105 | Switchblade and shooting-knife sales. | Source | Crim. Law section 4-105 |
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