Mitsunori Yamao (山尾 光則, Yamao Mitsunori, born April 13, 1973) is a former Japanese football player.

Yamao was born in Nagoya on April 13, 1973. After graduating from Aichi Gakuin University, he joined his local club Nagoya Grampus Eight in 1996. However he could not play at all in the match. In 1997, he moved to Japan Football League club Ventforet Kofu. He played as regular player as center back in 2 seasons. In 1999, he moved to newly was promoted to J2 League club, FC Tokyo. The club was promoted to J1 League from 2000. Although he played as center back, he could not play many matches. In May 2002, he moved to J2 club Cerezo Osaka. He played many matches and the club was promoted to J1. In 2003, he moved to J2 club Yokohama FC. He played as regular player as center back in 3 seasons. He retired end of 2005 season.