Irvine Loudon (1 August 1924 – 7 January 2015) was a British doctor and a medical historian on childbirth fever and maternal mortality.
His published writings included studies of the history of medicine, with a special interest in the history of general practice and maternal death in childbirth.
His oil paintings, drawings and etchings were shown at several galleries: Bankside Gallery London, UK and Dolphin Gallery, Wantage, UK, Branson Art Gallery, Rosedale, Lake Balsam, Ontario, Canada.