Tetsu Komai (1894–1970) was a Japanese actor, known for his minor roles in Hollywood films. He was born in Kumamoto, Japan and died in Gardena, California of congestive heart failure. Tetsu had small parts in over 50 films from the 1920s until the mid-1960s. In his early films, Tetsu was often described with derogatory terms such as Chinaman, although he was Japanese. He played the villain in many of his films.