Prince Royal

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 XVII of France, during the monarchy of 1791–1792
 * Ferdinand Philippe, Duke of Orléans, during the July Monarchy

It may also refer to:
 * HMS 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.