Rie Usui (臼井 理恵, Usui Rie, born December 28, 1989) is a former Japanese football player. She played for the Japan national team.
Usui was born in Tokyo Metropolis on December 28, 1989. After graduating from Waseda University, she retired from playing career. However, after 1 year blank, she restarted playing career at Sfida Setagaya FC in 2013. She moved to Urawa Reds in 2014. She played 44 matches in 3 seasons. In 2017, she moved to Nojima Stella Kanagawa Sagamihara. She retired end of 2018 season.
On September 13, 2014, Usui debuted for the Japan national team against Ghana. She played for Japan at 2014 Asian Games and Japan won the 2nd place. She played 6 games for Japan in 2014.