Family name Alba Rosario (Alba Rosario 
) , throughout the world, is a very rare last name. The surname Alba Rosario is habitual in Latin America and the Caribbean, particularly the Dominican Republic, where it is a rare surname, and Chile, where it is a very rare surname. More prevalently, Alba Rosario is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alba Rosario | Colombia, Ecuador, Dominican Republic, Spain, Chile |