{{Wiktionary|Duca|duca|dūca}} '''Duca''' can refer to:

==People== * Duca (footballer), Adrualdo Barroso da Silva (born 1934), Brazilian footballer *{{ill|Duca (singer)|ja|Duca}} (デュッカ), Japanese female singer * Edoardo Duca (born 1997), Italian footballer * Ion G. Duca (1879–1933), 35th Prime Minister of Romania * Lauren Duca (born 1991), American journalist * Michael Duca (born 1952), American Catholic bishop * George Ducas (Romanian: Gheorghe Duca; c. 1620–1685), three times prince of Moldavia * Constantine Ducas (Moldavian ruler) (Romanian: Constantin Duca; died 1704), two times prince of Moldavia

==Other== * DUCA Credit Union, a Canadian credit union * a Romanesque title of duke, notably in Italian

==See also== * Del Duca (disambiguation) * Lo Duca, surname * {{in title}}

{{disambiguation|surname}}