Masayuki Mori (? ??, Mori Masayuki, January 13, 1911 – October 7, 1973, born in Sapporo, Hokkaido prefecture) was a Japanese actor, the son of Takeo Arishima, a Japanese novelist active during the late Meiji and Taisho periods.
Mori appeared in many of Akira Kurosawa's films such as Rashomon, The Idiot and The Bad Sleep Well.
He also starred in pictures by Kenji Mizoguchi (Ugetsu), Mikio Naruse (Floating Clouds) and other prominent directors.