is a Japanese idol, singer, and actress. She has released a number of DVDs. She is best known for her role as Remi Freedle in Chousei Kantai Sazer-X.
Matsuyama cosplayed as Mao Ran, a character in a video game titled Fighting Beauty Wulong.
In 2006, she portrayed Shiori in Gal Circle. In 2007, Matsuyama released her debut single entitled "Matataku Mami: Mitsumete Hoshii". She also starred in the television drama Body Conscious Cop in that year.