De Coster or Decoster is a Dutch occupational surname, most common in Flanders. Coster is an archaic spelling of modern Dutch "koster" (parish clerk). People with this surname include:
Adam de Coster (c. 1586–1643), Flemish Baroque painter Charles De Coster (1827–1879), Belgian novelist best known for his Legend of Thyl Ulenspiegel Dominicus de Coster (c. 1560–1612), Flemish artist, printer and copperplate engraver Jean-Baptiste De Coster (guide) (1760–1826), an unwilling Flemish guide for Napoleon at Waterloo Jean-Baptiste De Coster (Jesuit) (1896–1968), a Belgian priest who sheltered Jews from the Holocaust Jonathan Decoster (born 1987), American football player Koen Decoster, Belgian historian, philosopher and translator Maggy de Coster (born 1966), French writer Maurice De Coster (1890–?), Belgian football player Roger De Coster (born 1944), Belgian motocross racer and team manager Saskia De Coster (born 1976), Belgian writer
See also Coster (disambiguation) Koster (disambiguation)