Look up katu in Wiktionary, the free dictionary.
Katu most often refers to:
- Katu people, an ethnic group from Laos and Vietnam
- Katu language, spoken by the Katu
Katu may also refer to:
- Katu (Marvel Comics), a Marvel Comics character
- KATU (TV), an American television station in Oregon
- Stacey Katu, Cook Island rugby player