★ 8.6 
Acting
Koki Koyasu
Koki Koyasu is best known for Demon Slayer: Kimetsu no Yaiba, Dan Da Dan, Re:ZERO -Starting Life in Another World- and Toilet-Bound Hanako-kun. Koki Koyasu was born on January 9, 1994. Koki Koyasu is 32 years old (born January 9, 1994).
- Born
- January 9, 1994 (32 years old)
- Place of birth
- Tokyo, Japan
Biography
Koki Koyasu is a Japanese voice actor. He is the son of popular voice actor Takehito Koyasu and a member of his agency T's Factory.
Known for
Filmography
- 2026Reiwa ni Kannou Shousetsu TsukuttemasuOizumi Aoi
- 2024Dan Da DanMale Student A (voice)
- 2022Call of the NightKai (voice)
- 2021Hortensia SAGACamellia Soldier (voice)
- 2020Toilet-Bound Hanako-kunMale Classmate A (voice)
- 2020I'm Standing on a Million LivesNomura (voice)
- 2019Demon Slayer: Kimetsu no Yaiba(voice)
- 2016Re:ZERO -Starting Life in Another World-Roswaal B. Mathers (voice)
Frequently asked questions
What movies and shows has Koki Koyasu been in?
Koki Koyasu is best known for Demon Slayer: Kimetsu no Yaiba, Dan Da Dan, Re:ZERO -Starting Life in Another World- and Toilet-Bound Hanako-kun.
When was Koki Koyasu born?
Koki Koyasu was born on January 9, 1994. (Tokyo, Japan)
How old is Koki Koyasu?
Koki Koyasu is 32 years old (born January 9, 1994).
Updated: November 3, 2026 ·