Family name Margarita Alba (Margarita Alba 
) , throughout the world, is an extremely rare cognomen. The cognomen Margarita Alba is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Margarita Alba is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Margarita Alba | Ecuador, Chile, Argentina |