Alson Sherman (1811–1903), served as Mayor of Chicago, Illinois (1844–1845), for the Independent Democrat Party
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Alson Streeter (born 1823), of New Windsor, Illinois, the Union Labor Party nominee in the United States presidential election of 1888
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Alson S. Clark (1876–1949), American Impressionist painter best remembered for his impressionist landscapes
In addition to landscape paintings, Alson Clark painted murals for the Carthay Circle Theatre in Los Angeles, and the fire curtain of the Pasadena Playhouse, depicting a Spanish galleon in full sail.