Menzus Raynard Bump (May 28, 1838 – May 6, 1913) was an American businessman and Republican politician.
He served one term in the Wisconsin State Assembly, representing Dunn and Pepin counties, and was a Union Army volunteer in the American Civil War.
During the American Civil War, Bump served in the 25th Wisconsin Infantry Regiment of the Union Army.
Engagements he took part in include the Battle of Resaca of the Atlanta Campaign.
Bump married Elma A. Crocker on November 1, 1868, in Eau Claire County, Wisconsin.