Haku may refer to:

People Haku (artist) Haku (surname) Haku (band) Haku (wrestler) (Tonga Fifita, born 1959), Tongan professional wrestler

Characters Haku (Naruto), a character in Naruto media Haku, a character in the 2001 animated movie Spirited Away

Places Haku, Iran Mount Haku, Japan Haku, Bagmati, Nepal Haku, Karnali, Nepal

Adornment Lei (garland), garland worn on the head

Animals Seriola lalandi, in the Māori language