Alfred Julius Swan (21 October [O.S. 9 October] 1890 – 2 October 1970) was a Russian composer and musicologist active in the early to mid-twentieth century. He specialized in Russian liturgical music. His writings include Russian Music and an English translation of Nikolai Medtner's The Muse and the Fashion. His memoirs were published in 1965: Recollections of Young Years. "The Lost Children: A Russian Odyssey", a book recounting he and his first wife's incredible adventures and service during the Russian Revolution and the First World War, was published in 1989 by his second wife, Jane Swan. His nephew was the British composer and musical entertainer Donald Swann.