Frederick Charles Schwarz, MD (15 January 1913 – 24 January 2009) was an Australian physician and political activist who founded the Christian Anti-Communism Crusade (CACC). He made a number of speaking tours in the United States in the 1950s, and in 1960, he moved his base of operations to California. He was the author of the international bestseller, You Can Trust The Communists (to be Communists), Prentice Hall, 1960. Schwarz worked with his wife, , from abroad and, in his later years, at their Australian home in Camden, New South Wales, near Sydney.