Ryuichi Kihara (木原 龍一, Kihara Ryūichi, born August 22, 1992) is a Japanese pair skater. With his skating partner, Riku Miura, he is the 2022 World silver medalist, a two-time ISU Grand Prix gold medalist, the 2021 CS Autumn Classic champion, and the 2020 Japanese national champion. They also earned a bronze medal at the team event during the 2022 Winter Olympics. He previously competed with Narumi Takahashi and Miu Suzaki, representing Japan at the 2014 and 2018 Winter Olympics, respectively.