Kato Yuuki (加藤優希) is a Japanese amateur player from Aichi Prefecture.
- She represented Aichi at the High School Championship. 5th place in 2018, and winner at 2019 ( school announcement).
- She also represented Aichi at the All Japan Female Amateur Championship in 2017, 2019 and 2021. She was a semi-finalist at 2021. Note that the games in 2020 were cancelled due to COVID-19.
- In 2021, she won the Female Student Honinbo.