Frederic Austin (30 March 187210 April 1952) was an English baritone singer, a musical teacher and composer in the period 1905–30. He is best remembered for his restoration and production of "The Beggar's Opera" by John Gay and Johann Christoph Pepusch, and its sequel, "Polly", in 1920–23. Austin was the older brother of the composer Ernest Austin (1874–1947).
Austin was the younger brother of Ernest Austin.