Family name Aaguilar (Aaguilar 
) , all around the world, is a very rare surname. The surname Aaguilar is habitual in Mexico, where it is a very rare surname, Spain, and Peru, where it is an extremely rare surname. In absolute terms, it is commonest in Mexico, Spain, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Aaguilar | Mexico, Spain, Peru, United States |