Hamilton Dudley Coleman (May 12, 1845 in New Orleans, Louisiana – March 16, 1926 in Biloxi, Mississippi) was a businessman and politician who served one term between 1889 and 1891 in the United States House of Representatives representing Louisiana's 2nd congressional district (New Orleans). Coleman served in the Washington Artillery in the Army of Northern Virginia during the American Civil War and was part of the Confederate Army that surrendered at Appomattox, Virginia.