Spencer M. Clark. first Superintendent of the National Currency Bureau, today known as the Bureau of Engraving and Printing
Spencer Clark (racing driver), racecar driver
Spencer Treat Clark, actor
Spencer Clark (musician), jazz saxophonist
Spencer Clark, indie musician noted for his influence on hypnagogic pop, member of the Skaters
(Herbert) Spencer Clark, Canadian, along with Rosa Clark, responsible for Guild of all Arts artist colony and heritage building conservatory.
