Toku may refer to:
People
;;Name
- Toku (musician) (born 1973), Japanese jazz musician
- Toku Hime (1565–1615), Japanese princess during the Sengoku and Edo periods
- , Japanese actor and voice actor
- , was the son of Shō Taikyū and last king of the First Shō Dynasty
;;Surname
- Emmanuel Toku (born 2000), Ghanaian professional footballer
- Indiya Toku (born 1994), Indian cricketer
- , Japanese judoka
Music
- 7-Toku, is the second album by Space Streakings
- Toku Do, is an album by guitarist Larry Coryell
- Tōku Made, is the eighth single by Do As Infinity
Place
- Toku, Estonia, a village in Antsla Parish, Võru County, Estonia
- Tokū, Tonga, an uninhabited volcanic island in Tonga
Other
- Toku (TV network), an American anime television network
- TokuDB, is an open-source, high-performance storage engine
- Tokusatsu, a genre of Japanese live action film or television series featuring kaiju, superheroes or mecha
- Toku Daihatsu-class landing craft, was a type of landing craft