William G. Donnan (June 30, 1834 – December 4, 1908) was an American lawyer, Civil War officer, politician who served as a two-term Republican U.S. Representative from Iowa's 3rd congressional district.
William G. Donnan (* 30. Juni 1834 in , Saratoga County, New York; † 4. Dezember 1908 in Independence, Iowa) war ein US-amerikanischer Politiker. Zwischen 1871 und 1875 vertrat er den Bundesstaat Iowa im US-Repräsentantenhaus. (de)
William G. Donnan (June 30, 1834 – December 4, 1908) was an American lawyer, Civil War officer, politician who served as a two-term Republican U.S. Representative from Iowa's 3rd congressional district. (en)