Toku may refer to:
- Toku, Estonia, village in Urvaste Parish, Võru County, Estonia
- Tokū, Tonga, uninhabited volcanic island in Tonga
- Toku Hime (1565–1615), Japanese princess during the Sengoku and Edo periods
- Toku Nishio (1939–2005), Japanese actor and voice actor
- Toku (musician), Flugelhorn jazz player
- Tokusatsu, genre of Japanese live-action series featuring superheroes
- Toku (TV network), which was previously known as Funimation Channel until on December 31, 2015.
Toku (stylized as TOKU) is a 24-hour cable network owned by Olympusat which broadcasts anime series, OVAs, ONAs, anime films and live-action Asian films and series. Formerly known as Funimation Channel, it adopted its current name on December 31, 2015, after Funimation ended their partnership with Olympusat. As such, Toku has not aired any Funimation titles since January 1, 2016. Tristan Leostar is the content aggregator for the Toku network.
The linear channel is available on AT&T U-verse and Claro Puerto Rico; its HD feed was launched on September 27, 2010. The VOD service is available on Optimum, Charter Communications, Xfinity, Vubiquity, Massilion and Armstrong Cable. The channel was previously available on Frontier FiOS.
Toku (styled TOKU) is a Japanese jazz musician from Niigata Prefecture, Japan.
In addition to being one of the few professional flugelhorn players in Japan, he is known for promoting jazz in Japan and bringing elements of the genre into J-pop through collaborations with other artists. He has worked with clammbon, Miki Imai, Maki Oguro, Yuji Ohno, Mariko Takahashi, Ken Hirai, DOUBLE, m-flo, and Exile.