Hirayama (written: ) is a Japanese surname. Notable people with the surname include:

, Japanese actress , Japanese film director , Japanese painter , who discovered the Hirayama families of asteroids , Japanese sport wrestler , Japanese politician Lalla Hirayama (born 1988), South African television host, actress, dancer and model Nathan Hirayama (born 1988), Canadian rugby player , Japanese American baseball player , first Japanese astronomer to discover an asteroid , an international football (soccer) player , Japanese football player , Japanese badminton player , Japanese rock climber

See also 1999 Hirayama, an asteroid Hirayama (crater), lunar crater Hirayama family, a family of asteroids Hirayama Station, a train station in Chiba Prefecture Hirayama syndrome, a lower motor neuron disease