Gertrude Walton Donahey (August 4, 1908-July 11, 2004) was an American politician of the Democratic party who served as Ohio State Treasurer from 1971 to 1983.

Donahey, born in Goshen Township , Tuscarawas County, Ohio was the first woman to be elected to a statewide office in Ohio.

Donahey's husband, John W. Donahey, served for a time as Lieutenant Governor of Ohio. Her father-in-law, A. Victor Donahey, was a Governor of Ohio and a member of the United States Senate.

She died in Bexley, Ohio.