Michael O'Hara may refer to: Michael O'Hara (volleyball) (1932–2018), American Olympic volleyball player Michael O'Hara (writer), American screenwriter Michael D. O'Hara (1910–1978), American jurist Michael O'Hara (athlete) (born 1996), Jamaican sprinter Michael M. O'Hara (born 1959), American educator, author, and historian of theatre