Robert Auguste Stoepel (born Auguste Stöpel, 1821 – 1 October 1887) was a German-born American composer and conductor. His compositions include Hiawatha, a symphony for orchestra and vocal soloists, as well as incidental music for plays, piano works, songs, and several operas. Born in Berlin, Stoepel worked in Paris and London, but spent a large portion of his career in New York City where he died at the age of 66. From 1857 until their separation in 1869, he was married to the actress Matilda Heron. Their daughter Bijou Heron was also an actress.