Clifford A. "Sonny" Vaughs (April 16, 1937 – July 2, 2016) was an American civil rights activist, filmmaker, and motorcycle builder. Vaughs designed the two chopper motorcycles used for the 1969 film Easy Rider, while an associate producer on the film. He also produced and directed the documentary What Will the Harvest Be? (1965) and Not So Easy (1972).