Ryuichiro Sakai

Ryuichiro Sakai (坂井 隆一郎) is a Japanese sprinter who specializes in the 100 meters.

In 2023, he won the 100 meters at the Japanese Championships. He also competed in the same event at the 2022 and 2023World Championships, reaching the semi finals in 2022.

In 2024, he qualified for the 100 meters at the 2024 Summer Olympics based on his world ranking.