Sir Charles Thompson, 1st Baronet was a British naval officer. After long service in the Seven Years' War, American War of Independence and War of the First Coalition, he was Admiral John Jervis's second in command at the battle of Cape St Vincent. However, his disregard for Jervis's signal to tack to counter a Spanish attacking move nearly lost the battle, and began an enmity with Jervis that eventually led to Thompson's retirement. From 1796 to 1799 he was also MP for Monmouth.

Admiral of the Fleet John Jervis, 1st Earl of St Vincent was an admiral in the Royal Navy and Member of Parliament in the United Kingdom. Jervis served throughout the latter half of the 18th century and into the 19th, and was an active commander during the Seven Years' War, American War of Independence, French Revolutionary War and the Napoleonic Wars. He is best known for his victory at the 1797 Battle of Cape Saint Vincent, from which he earned his titles, and as a patron of Horatio Nelson.