Hirata (written: 平田) is a Japanese surname. Notable people with the surname include:
Akihiko Hirata (平田 昭彦, 1927–1984), Japanese actor
Hirata Atsutane (平田 篤胤, 1776–1843), Japanese scholar
Hiroaki Hirata (平田 広明, born 1963), Japanese voice actor
Hiromi Hirata (平田 宏美, born 1978), Japanese singer and voice actress
Hiroshi Hirata (平田 弘史, born 1937), Japanese manga artist
Junji Hirata (平田 淳嗣, born 1956), Japanese professional wrestler
Kei Hirata (平田 圭, born 1969), Japanese footballer
Kenji Hirata (平田 健二, born 1944), Japanese politician
Koichi Hirata (平田 耕一, born 1948), Japanese politician
Mana Hirata (平田 真菜, born 1985), Japanese voice actress
Mitsuru Hirata (平田 満, born 1953), Japanese actor
Momoko Hirata (平田 桃子, born 1985), Japanese ballerina
Noritoshi Hirata (平田 倫敏, born 1958), Japanese gymnast
Noriyasu Hirata (平田 典靖, born 1983), Japanese badminton player
Ryosuke Hirata (平田 良介, born 1988), Japanese baseball player
Takeo Hirata (平田 竹男, born 1960), Japanese academic
Hirata Tosuke (平田 東助, 1849–1925), Japanese politician
Yuka Hirata (平田 裕香, born 1983), Japanese actress, voice actress and gravure idol
