What are the 3 most common hispanic last names?

It's difficult to definitively say which are the most common Hispanic last names since there's a vast diversity of Hispanic cultures and languages.

However, some of the most frequently occurring last names across Hispanic populations include:

1. Garcia: This name has roots in Spanish and Portuguese, and is found in various countries throughout Latin America.

2. Rodriguez: Another name with Spanish origins, Rodriguez is common in many Hispanic countries, particularly in Spain, Mexico, and Puerto Rico.

3. Gonzalez: This name, also of Spanish origin, is widely distributed across Hispanic populations, particularly in Spain, Mexico, and the United States.

It's important to remember that these are just a few examples, and there are many other common last names within Hispanic populations, varying by country and region.