Family name Guerreero (Guerreero 
) , around the globe, is a very rare cognomen. The family name Guerreero is habitual in Colombia, where it is a very rare surname, Argentina, where it is an extremely rare surname, and the United States. In absolute terms, this name is the most popular in Colombia, the United States, and Mexico.
| VARIANT | COUNTRY |
|---|---|
| Guerreero | Argentina, United States, Mexico, Colombia |