Athelston Gaston (April 24, 1838 – September 23, 1907) was a Democratic member of the U.S. House of Representatives from Pennsylvania.

He was engaged in agricultural pursuits until 1873, when he became a dealer in and manufacturer of lumber.

Gaston was killed while on a hunting trip along Lake Edward in northern Quebec, Canada, in 1907.

Interment in Greendale Cemetery in Meadville, Pennsylvania.

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