Prince Royal may refer to the Crown Prince in the case of the following monarchies:- Prince Royal of Portugal, the Prince Royal of the Kingdom of Portugal and the Algarves Prince Royal of Haiti, see Jacques-Victor Henry, Prince Royal of Haiti Prince Royal of France, to either of: Louis-Charles, Duke of Normandy, during the constitutional monarchy of 1791–1792 Ferdinand Philippe, Duke of Orléans, during the July Monarchy

It may also refer to: Prince Royal (1610), a ship of the English Royal Navy Prince Royal (horse), Italian/French Champion racehorse Nissan Prince Royal, a Japanese vehicle built for the Imperial Household of Japan.

See also Prince Imperial (disambiguation) Princess Royal, a style customarily awarded by a British monarch to his or her eldest daughter Prince Royal's College, a school in Thailand