Mitsuru Motoi

Mitsuru Motoi (born 29 August 1941) is a Japanese former professional tennis player.

Born in Yao City, Motoi is a graduate of Kwansei Gakuin University and won a singles bronze medal for Japan at the 1963 Summer Universiade. He was beaten in five sets by Koji Watanabe in the singles final of the 1964 All-Japan championships. In 1965 he played in a Davis Cup tie for the only time, against South Korea in Seoul, winning both his singles and doubles rubber. In 1973 he won the All-Japan championships in mixed doubles.

Motoi previously served as manager of the national team for the Davis Cup, Federation Cup and Seoul Olympics.