Koji Yamamuro

is a Japanese gymnast. He has won two Olympic medals in the men's artistic team all-around – silver in 2012 (London) and gold in 2016 (Rio de Janeiro).

Career Yamamuro won the bronze medal in men's all-around at the 2011 World Championships.

Yamamuro competed for the national team at the 2012 Summer Olympics in the men's artistic team all-around. In the team final, he injured his ankle on the vault event and had to be helped off. who had ranked behind Yamamuro and Kōhei Uchimura and had not qualified due to the 2-per-country rule.

Yamamuro also participated in the 2012 American Cup.

At the 2016 Summer Olympics in Rio de Janeiro, Yamamuro won a gold medal as part of the Japanese men's team. In the event finals, Yamamuro competed on pommel horse and still rings with scores of 13.900 and 14.866 respectively.