Archibald Carmichael Williamson (11 November 1892 – 17 September 1972) was an Argentine-born English first-class cricketer. Williamson was born in the Anglo-Argentine neighbourhood of Hurlingham in Buenos Aires. He moved to United Kingdom as a child, where he was educated in Edinburgh at Fettes College. From there he went up to Brasenose College, Oxford. While at Oxford, Williamson made a single appearance in first-class cricket for Oxford University against Scotland at Oxford in 1913. Batting twice during the match, Williamson was dismissed for 8 runs by William Benskin, while in their second-innings he was dismissed for 10 runs by Robert Sievwright. He also played minor counties cricket for Cheshire in the same year, making one appearance against Lincolnshire.