John William Donahey (August 26, 1905 – March 5, 1967) was an American politician of the Democratic Party, who served as the 53rd Lieutenant Governor of Ohio from 1959 to 1963.
Donahey died at Grant Hospital in Columbus in March 1967 of a heart attack.Donahey's wife, Gertrude Walton Donahey (August 4, 1908 – July 11, 2004) served as Ohio State Treasurer from 1971 to 1983.
Donahey was the son of prominent Ohio politician A.