Fred Duprez (September 6, 1884 – October 27, 1938) was an American actor, comedian and singer who performed on vaudeville, phonograph record and film. He made phonograph recordings in the US and the UK in the 1900s, 1910s, and 1920s. Most of the films he appeared in were British. He was also a writer, and wrote the popular stage farce My Wife's Family, filmed three times in Britain, firstly in 1931; once in Sweden in 1932; and once in Finland, in 1933.