Hikaru Kayou
- Born
- 25 November 1999 (26 years)
- Place of birth
- Tōkyō, Japan
- Gender
- Female
Hikaru Kayou (嘉陽 光, Kayō Hikaru, November 25, 1999) is a Japanese voice actress (seiyū) from Tokyo. She is affiliated with Three Tree. Her blood type is O. Her hobbies are acoustic guitar, driving, and hot spring tour.
