Admiral Charles Philip Yorke, 4th Earl of Hardwicke, PC was a British naval commander and Conservative politician.

Admiral Sir Joseph Sydney Yorke KCB was an officer of the Royal Navy. As a junior officer he saw action at the Battle of the Saintes in April 1782 during the American Revolutionary War. He commanded HMS Stag at the defeat of the Dutch fleet in August 1795 during the French Revolutionary Wars and went on to be First Naval Lord during the closing stages of the Napoleonic Wars.