De Keyser, DeKeyser or Dekeyser is a Dutch surname mostly found in Flanders. It translates to "the emperor". People with this name include:
Alexei de Keyser (1967–2004), British television producerDavid de Keyser (born 1927), British actorEugénie De Keyser (1918–2012), Belgian art historianHendrick de Keyser (1565–1621), Dutch sculptor and architectJean-Pierre de Keyser, (born 1965) German footballerMerten de Keyser (died 1536) French painter and publisher working in AntwerpNicaise de Keyser (1813–1873), Belgian painterPieter de Keyser (1595–1676), Dutch architect and sculptor, son of HendrickPolydore de Keyser (1832–1918), British lawyerRaoul De Keyser (1930–2012), Belgian painterThomas de Keyser (1596–1667), Dutch painter and architect, son of HendrickVéronique De Keyser (born 1945), Belgian politicianWillem de Keyser (architect) (1603-after 1674), Dutch architect and painter, son of HendrickWillem de Keyser (painter) (1647–1692), Flemish painterConcatenated:
Danny DeKeyser (born 1990), American ice hockey playerDawn DeKeyser, American television writer and producerGiovanni Dekeyser (born 1976), Belgian field hockey playerJérôme Dekeyser (born 1983), Belgian field hockey playerPierre Louis Dekeyser (1914-1984), French zoologistRobert Dekeyser (born 1964), Belgian-German entrepreneurRudy Dekeyser (born 1976), Belgian molecular biologist and businessmanTracey DeKeyser (born 1990), American ice hockey player and coach