Richard Dennis (c. 1826 - 1889 [1]) was a Union Navy sailor in the American Civil War and a recipient of the U.S. military's highest decoration, the Medal of Honor, for his actions at the Battle of Mobile Bay.
He joined the Navy from Boston in March 1864, and served during the Civil War as a boatswain's mate on the USS Brooklyn.
At the Battle of Mobile Bay on August 5, 1864, he operated the ship's torpedo catcher (an early naval minesweeping device) and helped fire the bow chase gun despite heavy fire.
Brooklyn during successful attacks against Fort Morgan, rebel gunboats and the ram Tennessee in Mobile Bay, on 5 August 1864.
Despite severe damage to his ship and the loss of several men on board as enemy fire raked her decks from stem to stern, Dennis displayed outstanding skill and courage in operating the torpedo catcher and in assisting in working the bow chasers throughout the furious battle which resulted in the surrender of the prize rebel ram Tennessee and in the damaging and destruction of batteries at Fort Morgan.