Mohun is an Irish surname.
People with this surnameGuy Mohun (died 1407), English royal administrator and bishopMichael Mohun (1616?–1684), British actorRichard Mohun (1865–1915), American explorer and soldier of fortuneWilliam Mohun, English politicianPhilippa de Mohun (died 1431), Duchess of YorkWilliam de Mohun of Dunster, 1st Earl of Somerset (c. 1090 – c. 1155), English lordBaron Mohun a title in the English peerage created in 1299John de Mohun, 2nd Baron Mohun (1320–1376)Baron Mohun of Okehampton, a title in the English peerage created in 1628John Mohun (1595–1641), the first BaronCharles Mohun, 4th Baron Mohun (c. 1675 – 1712)