Hirata (written: 平田) is a Japanese surname. Notable people with the surname include:
Akihiko Hirata (平田 昭彦, 1927–1984), Japanese actorHirata Atsutane (平田 篤胤, 1776–1843), Japanese scholarHiroaki Hirata (平田 広明, born 1963), Japanese voice actorHiromi Hirata (平田 宏美, born 1978), Japanese singer and voice actressHiroshi Hirata (平田 弘史, born 1937), Japanese manga artistJunji Hirata (平田 淳嗣, born 1956), Japanese professional wrestlerKei Hirata (平田 圭, born 1969), Japanese footballerKenji Hirata (平田 健二, born 1944), Japanese politicianKoichi Hirata (平田 耕一, born 1948), Japanese politicianMana Hirata (平田 真菜, born 1985), Japanese voice actressMitsuru Hirata (平田 満, born 1953), Japanese actorMomoko Hirata (平田 桃子, born 1985), Japanese ballerinaNoritoshi Hirata (平田 倫敏, born 1958), Japanese gymnastNoriyasu Hirata (平田 典靖, born 1983), Japanese badminton playerRyosuke Hirata (平田 良介, born 1988), Japanese baseball playerTakeo Hirata (平田 竹男, born 1960), Japanese academicHirata Tosuke (平田 東助, 1849–1925), Japanese politicianYuka Hirata (平田 裕香, born 1983), Japanese actress, voice actress and gravure idol