Elijah Adams Morse (May 25, 1841 – June 5, 1898) was a U.S. Representative from Massachusetts.

Born in South Bend, St. Joseph County, Indiana, Morse moved to Massachusetts with his parents, who settled in Boston in 1852.

Enlisted in the Union Army in the Fourth Regiment, Massachusetts Volunteers, during the Civil War.

He served as chairman of the Committee on Alcohol Liquor Traffic (Fifty-fourth Congress).

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