DeCourcy, DeCourcey, De Courcy, or De Courcey is a surname. Notable people with the surname include:
DeCourcy/De Courcy Affreca de Courcy (late 12th-/early 13th century), noblewoman from the Kingdom of the Isles Alfred De Courcy (1866–1931), Birmingham whistle maker Anya De Courcy (born 1997), Trinidadian footballer Bob DeCourcy (1927–2012), Canadian professional ice hockey goaltender Brigie de Courcy (fl. 2000s–2010s), Irish television producer Charles DeCourcy (1857–1924), justice of the Massachusetts Supreme Judicial Court Diane De Courcy, Canadian politician Frédéric de Courcy (1796–1862), French dramatist, poet and chansonnier Henri Roussel de Courcy (1827–1887), French divisional general Jim de Courcy (1927–2000), Australian cricketer John de Courcy (1150–1219), Anglo-Norman knight who arrived in Ireland in 1176 William de Courcy (disambiguation), various people
DeCourcey/De Courcey Jamie de Courcey (fl. 1990s–2020s), English actor Matt DeCourcey (born 1983), Canadian Liberal politician Roger De Courcey (born 1944), British ventriloquist and artists' agent
See also Château de Courcy, ruined castle in the commune of Courcy in the south of the Calvados département of France De Courcy Island, one of the Gulf Islands of the coast of southwestern British Columbia, Canada Courcy (disambiguation) DeCorsey E. Bolden (1924–2016), American politician and businessman from Maryland