Family name Josefa Del Rosario (Josefa Del Rosario 
) , around the world, is an extremely rare last name. The last name Josefa Del Rosario is habitual in Chile, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much more frequently, Josefa Del Rosario is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Josefa Del Rosario | Costa Rica, Spain, Chile, Ecuador, Peru |