William Stoddart (born 25 June 1925, in Carstairs) is a Scottish physician, author and spiritual traveler, who has written several books on the Perennial Philosophy and on comparative religion. He has been called a "master of synthesis" and is one of the important Perennialist writers in the present day. For many years he was assistant editor of the British journal Studies in Comparative Religion. Frithjof Schuon (1907-1998) and Titus Burckhardt (1908-1984), several of the books of the perennialist masters.