Cognomen Aquero (Aquero 
) , around the world, is a very rare surname. The last name Aquero is characteristic of Indonesia, where it is a very rare surname, Nicaragua, and Venezuela. Measured by absolute frequency, it is commonest in Indonesia, the United States, and Philippines. Very seldom, Aquero is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aquero | Indonesia, Philippines, United States, Brazil, Venezuela |