刀 (disambiguation)

{{Wiktionary|刀}}

刀 is the Kangxi radical 18.

刀 may also refer to:

• Dao (sword), a category of single-edge Chinese swords primarily used for slashing and chopping
• Japanese sword
• Katana, a type of single-edged Japanese sword used by samurai
• The Blade, a 1995 Hong Kong film
• A Chinese slang term for the United States dollar