Ryuichiro Sakai (坂井 隆一郎, Sakai Ryūichirō, born 14 March 1998) is a Japanese sprinter who specializes in the 100 meters.
In 2023, he won the 100 meters at the Japanese Championships.
[2] He also competed in the same event at the 2022 and 2023 World Championships, reaching the semi finals in 2022.
[3] In 2024, he qualified for the 100 meters at the 2024 Summer Olympics based on his world ranking.
This biographical article relating to Japanese athletics is a stub.