Henry Rinaldo Porter (February 13, 1848 – March 3, 1903) was a Surgeon in the 7th U.S. Cavalry at the Battle of the Little Big Horn.
He graduated Georgetown University School of Medicine in 1872 and interned for three months at Columbia Hospital for Women, Washington, DC.
He signed on in 1872 as an army contract surgeon for duty in the Arizona Territory under General George Crook where he was cited for bravery.
In 1873, he was assigned as a contract Surgeon with the army at Camp Hancock in Bismarck, Dakota Territory.
Porter attended the wounded on the deck of the Far West, which brought them back to Fort Abraham Lincoln after the battle.