Cognomen D'Luca (D'Luca 
) , around the globe, is a very rare last name. The surname D'Luca is habitual in Venezuela, where it is a very rare surname, Argentina, and Canada, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Venezuela, Argentina, and the United States. Much less frequently, D'Luca is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| D'Luca | Argentina, Spain, Venezuela, Brazil, United States |