Family name Metalero (Metalero 
) , in the world, is a very rare cognomen. The surname Metalero is habitual in Ecuador, where it is a very rare surname, Spain, where it is an extremely rare surname, and Mexico. Much less frequently, Metalero is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Metalero | Spain, Mexico, United States, Ecuador, Argentina |
El, German, Claudio, Ricardo, Jacinto, Jasinto, Nicolas, Eliezer, Vikingo, Facundo, Martisoscuro, Alanjosue, Avengeds, Cristian, Rockbinson, Evaristo, Daniel, Fernando, Andres, Sergio, Manu, Luis, Juan, Ivan, Yoni, Angel, Atila, Cesar, Brian, Pablo, Roker, Tipan, Isaac, Xilef, Marcos, Alonso, and Alejandro