Henry D. Todd (August 25, 1838 - March 8, 1907) was a career officer in the United States Navy.

A Union Navy veteran of the American Civil War and a longtime professor at the United States Naval Academy, he attained the relative rank of rear admiral.

[2] He was educated in the schools of Nyack, New York and began attendance at the United States Naval Academy as an acting midshipman in 1853.

[3] Todd took command of Erie as a prize of war and sailed for Monrovia, Liberia, where he turned nearly 900 captured Africans, most of them children, over to a Liberian government agent so they could be returned to their homes.

[3] At the beginning of the American Civil War, Todd served aboard USS Cumberland, which took part in destroying the Norfolk Naval Shipyard to prevent its use by the Confederate States Navy.

[2] Beginning with the relative rank of lieutenant as an assistant professor,[6] Todd later held the relative rank of commander as a full professor and head of a faculty department,[7] and captain as assistant director of publication for the Nautical Almanac.