Rear Admiral Sir Thomas Troubridge, 1st Baronet (c. 1758 – 1 February 1807) was a Royal Navy officer. As a junior officer he saw action at the Battle of Sadras in February 1782 during the American Revolutionary War and the Battle of Trincomalee in September 1782 during the Anglo-French War. He commanded the third-rate Culloden at the Battle of Cape St Vincent in February 1797 during the French Revolutionary Wars. He went on to be First Naval Lord and then served as Commander-in-Chief, East Indies, during the Napoleonic Wars.