Dwight is a surname. Notable people with the surname include:

Dwight family, a New England family of American educators, military and political leaders, and authors Ed Dwight (born 1933), African-American test pilot and sculptor Henry Otis Dwight (1843–1917), American missionary Henry W. Dwight (1788–1845), American politician John Dwight (disambiguation) Justice Dwight, American visual artist Mabel Dwight (1875–1955), American artist Mary Dwight (born 1951), American college volleyball coach and former handball player Reginald Dwight (born 1947), birth name of Elton John, English singer, songwriter and musician Roy Dwight (1933–2002), English footballer Theodore Dwight (disambiguation) Thomas Dwight (1843–1911), American physician, anatomist, and teacher Thomas Dwight (politician) (1758–1819), American politician Tim or Timothy Dwight (disambiguation) William Dwight (1831–1888), American Union Army general during the American Civil War William Theodore Dwight (1795–1865), American Congregationalist minister