Haku (하쿠) may refer to:
- Artist
- HAKU (also known as Chohyeon), songwriter and producer, former member of pre-debut group OAHSIS and former MIXNINE contestant
- People
- Haku (formerly known as Hikaru) of aoen, former member of pre-debut group 24kumi and former &AUDITION - The Howling - and Oen-High contestant