Ulster Prince

Ulster Prince or prince of Ulster, may refer to:


 * "Prince of Ulster", an aristocratic title held by The O'Neill, see King of Ulster
 * MV Ulster Prince, a pre-WWII passenger ferry running between Belfast and Liverpool
 * MV Leinster, a passenger ferry that was called "Ulster Prince" in the post-WWII period
 * MV Ulster Prince, a mid-20th-century car-and-passenger ferry running the Irish Sea route
 * HMT Ulster Prince, a WWII British Royal Navy troop ship