John Marston (June 12, 1795 – April 7, 1885)[1] was an officer in the United States Navy, playing a small but pivotal role in the Battle of Hampton Roads, and eventually retiring as a rear admiral.

[2] During the War of 1812, Marston served as a messenger and carried the first news of Commander Isaac Hull's capture of HMS Guerriere to John Adams at Quincy, Massachusetts.

[2] In 1825 Marston was promoted to the grade of lieutenant, and was aboard USS Brandywine when she conveyed Marquis de Lafayette to France.

[2] Although placed on the retired list in December 1861, Marston was assigned to USS Cumberland, of the Brazil squadron, in which service he continued for a year, when he was commissioned commodore, July 16, 1862.

His oldest son, Matthew R. Marston, entered the regular army, and was brevetted major for gallantry during the siege of Vicksburg.