Takeo Arishima (?? ??, Arishima Takeo, March 4, 1878 – June 9, 1923) was a Japanese novelist, short-story writer and essayist during the late Meiji and Taisho periods.
His two younger brothers, Ikuma Arishima (????) and Ton Satomi (???), were also authors.
His son was the internationally known film and stage actor, Masayuki Mori.