Henry Melville Youmans (May 15, 1832 – July 8, 1920) was an American businessman and politician from the U.S. state of Michigan, serving one term in the U.S. House of Representatives from 1891 to 1893.

He moved to St. Clair County in 1878 and engaged in farming and lumbering until 1884 when he returned to East Saginaw.

In the general election of 1890, Youmans ran as the candidate of the Democratic Party and defeated incumbent Republican Aaron T. Bliss to be elected from Michigan's 8th congressional district to the 52nd United States Congress, serving from March 4, 1891, to March 3, 1893.

After leaving Congress, Henry M. Youmans became a member of the Michigan Senate (22nd district) in 1896 and 1897.

He engaged in agricultural pursuits in Bridgeport, Michigan, until his death in Saginaw, where he was interred in Brady Hill Cemetery.