Alexander Livingston, 2nd Earl of Linlithgow PC (died 1648) was a Scottish nobleman.
He was the eldest surviving son of Alexander Livingstone, 1st Earl of Linlithgow and Lady Helen Hay (c. 1552–1627).
Among his extended family were Alexander Elphinstone, 4th Lord Elphinstone, the Treasurer of Scotland (husband of his aunt Jean Livingston) and Lewis Bellenden and Patrick Stewart, 2nd Earl of Orkney (both husbands of his aunt, Margaret Livingston).
Together, they were the parents of:[4] After the death of Elizabeth Gordon, his first wife, in childbirth in July 1616,[8] he remarried to Lady Mary Douglas on 17 October 1620.
Together, they were the parents of:[4] Linlithgow died between 11 June and 20 December 1648, and was succeeded in his titles by his eldest son.