Mai Yamaguchi (å±±å£ è Yamaguchi Mai, born July 3, 1983) is a former Japanese volleyball player who played for Okayama Seagulls. She was part of Japan's 2012 bronze medal-winning team.
Mai participated in the 2018 FIVB Volleyball Women's World Championship, which was her last international tournament with the national team. She announced her retirement from volleyball in 2019.
Her nickname is "Yume", which means "dream" in Japanese. Another nickname is Pearl, which is locally farmed specialty of her hometown of Shima, in Mie prefecture. She liked knitting and cooking at the time of her bronze medal and she also enjoyed figure skating.