Gus Hall (born Arvo Kustaa Halberg; October 8, 1910 – October 13, 2000) was a leader and chairman of the Communist Party USA (CPUSA) and its four-time U.S.

presidential candidate. As a labor leader, Hall was closely associated with the so-called "Little Steel" Strike of 1937, an effort to unionize the nation's smaller, regional steel manufacturers. During the Second Red Scare, Hall was indicted under the Smith Act and was sentenced to eight years in prison.