George Alexander Marshall (September 14, 1851 – April 21, 1899) was an American lawyer and politician who served as a one-term U.S. Representative from Ohio from 1897 to 1899.

On December 8, 1880, he married Lucinda Frazer Cowan, Mary Caroline's youngest sister.

He was admitted to the bar in 1876 and commenced practice in Sidney, Ohio.

He served as prosecuting attorney of Shelby County for eight years, being elected in 1878, 1880, and 1883.

This article incorporates public domain material from the Biographical Directory of the United States Congress