Moorsom may refer to:
Moorsom System for calculating tonnage of sailing ships HMS Moorsom, two Royal Navy ships , named for Robert Moorsom
People with the surname
Constantine Richard Moorsom (1792–1861), Royal Navy admiral, businessman and abolitionist James Marshall Moorsom (1837–1918), British Liberal Party politician Lewis Moorsom (1835–1914), English cricketer Robert Moorsom (1760–1835), Royal Navy admiral William Moorsom (1804–1863), English engineer
See also Moorsom family tree: showing relationships between some of the above