Chiyo is a Japanese female name and may refer to:
- Fictional characters
- Chiyo (Naruto), from the anime and manga series Naruto
- Chiyo Mihama, from the anime and manga series Azumanga Daioh
- Chiyo Tsukidate a character the Strawberry Panic! anime series.
- Chiyo, from Memoirs of a Geisha
- People
- Chiyo Aizawa, Japanese murderer
- Chiyo Okumura, Japanese singer
- Fukuda Chiyo-ni (Kaga no Chiyo), a Japanese poet of the Edo period
- Chiyo Uno, Japanese author