Hiroshi Ohmori (大森 博史, Ōmori Hiroshi, born December 19, 1954, in Tokyo) is a Japanese stage, film, and television actor. After studying at Gakushuin University, which he left before graduating, he began his acting career with the theatre company On Theater Jiyū Gekijō.

Over the course of his career, he has appeared in numerous films, television dramas, and stage productions, including Shanghai Bansukingu, The Land of Hope, Aibō II, Hero Show, and New Cinema Kabuki: Sannin Kichisa. His television credits include Furikaereba Yatsu ga Iru, Dr. Coto Shinryōjo, JIN, Keishichō Sōsa Ikka 9-gakari, Boku to Shippo to Kagurazaka, In Hand, and NHK's historical drama Hikaru Kimi e.