Lieutenant-General Sir Alexander Campbell, 1st Baronet, GCB (20 August 1760 – 11 December 1824) was a senior officer of the British Army during the early nineteenth century. His long and varied career saw extensive action, including engagements in Europe during the American Revolutionary War, in India during the Fourth Anglo-Mysore War and subsequently in the Peninsular War as one of the Duke of Wellington's generals. Badly wounded during the Peninsular campaign, Campbell was rewarded with a knighthood and a baronetcy, later holding a number of prestigious military commands.