Cognomen Mourillo (Mourillo 
) , worldwide, is a very rare surname. The family name Mourillo is habitual in Philippines, where it is a very rare surname, Argentina, where it is an extremely rare surname, and Mexico. Not in comparison with a country's population, this name is the most popular in Philippines, the United States, and Argentina. Very seldom, Mourillo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mourillo | Philippines, Argentina, United States, Brazil, Mexico |
| manuel fernández mourillo (1868-1949), ES (b. 1868) |
|