William Pulteney Alison FRSE FRCPE FSA (12 November 1790 – 22 September 1859) was a Scottish physician, social reformer and philanthropist. He was a distinguished professor of medicine at Edinburgh University. He served as president of the Medico-Chirurgical Society of Edinburgh (1833), president of the Royal College of Physicians of Edinburgh (1836–38), and vice-president of the British Medical Association, convening its meeting in Edinburgh in 1858.