DeCourcy, DeCourcey, De Courcy, or De Courcey is a surname. 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
- 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)
Surname listThis page lists people with the surname DeCourcy. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link. Category: