Augustus Aiken, better known as Gus Aiken and sometimes incorrectly spelled Gus Aitken, was an American jazz and blues trumpeter who had an active career from the 1910s through the 1960s. He was a prolific recording artist, beginning with some of the earliest recording made by Okeh Records. He made recordings with many well known jazz artists, among them Louis Armstrong, Sidney Bechet, Ethel Waters, and Mamie Smith.