Sachi is a given name. Notable people with the name include:
- Sachi Amma (born 1989), Japanese professional rock climber
- Sachi Hamano (born 1948), Japanese film director
- Sachi Kagawa, Japanese football player
- Sachi Kokuryu (born 1984), Japanese actress and voice actress
- Sachi Koto (born 1951), American businesswoman and CNN news anchor
- Sachi Matsumoto (born 1973), Japanese voice actress
- Sachi Mochida (born 1999), Japanese swimmer
- Sachi Ozawa (born 1976), Japanese speed skater
- Sachi Parker (born 1956), American actress
- Sachi Sri Kantha (born 1953), Sri Lanka-born scientist and historian
- Sachi Tainaka (born 1986), Japanese singer
- Sachi Tamashiro (born 1980), Mexican telenovela actress
- Indrasakdi Sachi (1902–1975), royal consort of King Vajiravudh (Rama VI) of Siam
- Sachi Komine, character from the Grisaia visual novel series