William Mitchell Morgan (August 1, 1870 – September 17, 1935) was an American politician who served five terms as a U.S. Representative from Ohio from 1921 to 1931.

Born in Brownsville, Ohio, Morgan attended the public schools.

He was active in organized labor movements, serving as president of the Newark (Ohio) Musicians' Union.

He served as president of the Ohio State Federation of Labor in 1935, resigning the same year to become a member of the state industrial commission, in which he served until his death in Columbus, Ohio, on September 17, 1935.

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