Ellwood is a surname. Notable people with the name include:
Annabel Ellwood (born 1978), Australian tennis player Sir Aubrey Ellwood (1897–1992), British Royal Air Force commander Ben Ellwood (born 1976), Australian tennis player Charles A. Ellwood (1873–1946), American sociologist Craig Ellwood (1922–1992), American modernist architect David T. Ellwood (fl. 1970s–2010s), American academic Doug Ellwood (fl. 1960s), New Zealand rugby league player Eddy Ellwood (born 1964), British world champion bodybuilder and professional strongman Fionnuala Ellwood (born 1964), Irish-born actress Frank Ellwood (born 1935), American football player and coach Isaac L. Ellwood (1833–1910), American rancher, businessman and barbed wire entrepreneur Katie Ellwood (fl. 2000s–2020s), British film and television director Paul M. Ellwood Jr. (1926–2022), American health care organization pioneer Reuben Ellwood (1821–85), American politician Richard Ellwood (born 1965), English cricketer Robert S. Ellwood (born 1933), American academic Thomas Ellwood (1639–1714), English religious writer Tobias Ellwood (born 1966), British politician