Nanako Matsushima (松嶋 菜々子 Matsushima Nanako, born October 13, 1973 in Yokohama, Kanagawa Prefecture, Japan) is a Japanese actress and model. She is known outside Japan for her role in the horror film Ring. She was also a main character in A Story of Love, where she starred next to Hiroyuki Sanada, who also played Ryuji Takayama in Ring.

On February 21, 2001, she married Takashi Sorimachi who co-starred with her in Great Teacher Onizuka. They have two daughters together, born on May 31, 2004 and November 30, 2007.