Goods Across Borders · Customs rule card
Pocket Knife → Japan
Purpose: Traveling · Verified: 2026-07-25
Blades over 6cm prohibited under Firearms and Swords Control Law
Details
Japan's Firearms and Swords Control Law prohibits carrying blades over 6cm without justifiable reason. Even shorter blades may violate local ordinances. Police regularly stop and check for knives. Penalties include up to 2 years imprisonment. Travelers have been detained for carrying Swiss Army knives.
Legal reference
Firearms and Swords Control Law, Minor Offenses Act
Leaving with this item
Pocket knives may be exported from Japan in checked baggage; carry laws at the destination govern what you may do with them on arrival.
Practical advice
Do not carry any knife in Japan. Even small multi-tools with blades can result in police questioning and detention.
Customs authority
Japan Customs (Ministry of Finance) · https://www.customs.mof.go.jp