Sōjin Kamiyama or just Sōjin (上山 草人; 30 January 1884 – 28 July 1954) was a Japanese film actor. He appeared in over 70 films between 1917 and 1954. He was the subject of a 1995 TV documentary by the Japanese film director Nobuhiro Suwa. He was born in Sendai, Japan and died in Tokyo, Japan. His wife was actress Uraji Yamakawa.