Minamiyama was born in Ichikawa on October 16, 1985. In 2003, she joined Nippon TV Beleza from the youth team and played until 2010. In 2011, she moved to INAC Kobe Leonessa. She left the club end of 2016 season. In June 2017, she joined Korean WK League club Hwacheon KSPO. In 2019, she returned Japan and joined Orca Kamogawa FC.