George Augustus Eliott, 1st Baron Heathfield, (25 December 1717 – 6 July 1790) was a British Army officer who served in three major wars during the eighteenth century. He rose to distinction during the Seven Years' War when he fought in Germany and participated in the British attacks on Belle Île (France) and Cuba. Eliott is most notable for his command of the Gibraltar garrison during the Great Siege of Gibraltar, which lasted from 1779 and 1783, during the American War of Independence. He was celebrated for his successful defence of the fortress and decisive defeat of Spanish and French attackers.