Mai Yamaguchi (山口 舞 Yamaguchi Mai, born July 3, 1983) is a former Japanese volleyball player who played for Okayama Seagulls.

[2] Mai participated in the 2018 FIVB Volleyball Women's World Championship, which was her last international tournament with the national team.

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.

This biographical article relating to volleyball in Japan is a stub.