Boku may refer to:
- The Cuban name for the Ashiko, a type of drum
- Boku (juice), a juice carton drink.
- Bōku, a board game.
- BOKU, the University of Natural Resources and Life Sciences, Vienna, in Austria.
- Boku, the former codename of Kodu, a child-oriented programming environment from Microsoft
- BOKU, a mobile payments service available in 64 countries around the world.