De Witt is a surname of Dutch origin meaning "the white". In America, the name is usually concatenated to DeWitt. Notable people with the surname include:
De Witt (family), a patrician family from the Dutch Golden Age Andries de Witt (1573–1637), Grand Pensionary of Holland Jacob de Witt (1589–1674), burgomaster of Dordrecht Cornelis de Witt (1623–1672), Dutch politician, brother of Johan Johan de Witt (1625–1672), Grand Pensionary of Holland Johan de Witt Jr. (1662–1701), Dutch bibliophile and politician, son of Johan
Alexander De Witt (1798–1879), American politician (1824–1909), French politician (1828–1889), French politician David M. De Witt (1837–1912), American politician Elmo De Witt (died 2011), South African filmmaker Francis B. De Witt (1849–1929), American politician Henriette Guizot de Witt (1829–1908), French writer Jacob De Witt (1785–1859), Canadian politician Jacob H. De Witt (1784–1857), American politician Marguerite de Witt (1853–1924), French activist, daughter of Conrad and Henriette Pauline de Witt (1831–1874), French historian Rocky De Witt (1959–2025), American politician Simeon De Witt (1756–1834), American cartographer
See also DeWitt (name) De Wit De Witte (disambiguation) Witte de With (1599–1658), Dutch naval officer