A Spanish, Portuguese and Italian surname, it is a nickname for an aggressive person or for a soldier. From the term guerra it refers to ‘war.’ Another form of the spelling is Guerra.
In French the name can be Guerre, Guierre or Laguerre. In Spanish it is Guerra or Guerrero. In Portuguese it is Guerreiro, the Italian form is written Guerri and Guerriero in the Sicilian language. Another English form is written Warr or Warre.

In the 1880s the Guerrero family members worked as laborers.

Most have their homelands in Spain and Italy.

In the United States most Guerrero families live in Texas and California. Within England the only county with any large number with the surname of Guerrero is the county of Hampshire, at the southern end of England.

Famous: Eddie Guerrero (professional Mexican and American wrestler), Vladimir Guerrero (professional baseball player with the Texas Rangers), Pedro Guerrero (Spanish Renaissance composer), Lisa Coles Guerrero (model, actress and TV sportscaster), Tommy Guerrero (professional skateboarder and musician), Evelyn Guerrero (actress), Denisse Guerrero (Mexican singer and songwriter) and Jose P. Guerrero (Peruvian footballer).