Alexander Cunningham, 1st Earl of Glencairn, 1st Lord Kilmaurs (1426 – 11 June 1488) was a Scottish nobleman. He was firstly created a Lord of Parliament in 1450, with the title Lord Kilmaurs. King James III of Scotland created Lord Kilmaurs Earl of Glencairn on 28 May 1488, by Letters Patent under the Great Seal. Fighting on his king's side, he was slain at the Battle of Sauchieburn on 11 June 1488.