Cognomen Caruajal (Caruajal 
) , all around the world, is a very rare surname. The last name Caruajal is characteristic of Philippines, where it is a very rare surname, Mexico, where it is an extremely rare surname, and Argentina. Not in comparison with a country's population, it is commonest in Philippines, Mexico, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Caruajal | Philippines, Mexico, Argentina, Brazil, United States |