Michael O'Hara

Athletes

• Michael O'Hara (athlete), Jamaican sprinter
• Michael O'Hara (volleyball), American Olympic volleyball player

Writers

• Mike O'Hara (reporter), American reporter
• Michael O'Hara (writer), American screenwriter

Other

• Michael D. O'Hara, American jurist
• Michael John O'Hara, British geologist
• Michael M. O'Hara, American educator, author, and historian of theatre