Marie Yamaguchi (山口真理恵; born 22 October 1989) is a Japanese rugby sevens player.

[3] Yamaguchi was also a member of a track and field club for three years at junior high school, in which she did sprint and jump.

[2] She was good at that level but could not attend the Nations due to injury from rugby training.

Yamaguchi was part of the Japanese rugby sevens national team that won silver in the 2014 Asian Games.

Yamaguchi also took part in the 2016 Rio Olympics, in which she participated in the Rugby sevens event.