Fierro

== English == === Etymology === As a Spanish-Asturian-Leonese surname, from fierro (“iron”). Compare DelFierro. As an Italian surname, variant of Ferro. === Proper noun === Fierro (plural Fierros) A surname. ==== Statistics ==== According to the 2010 United States Census, Fierro is the 2519th most common surname in the United States, belonging to 14371 individuals. Fierro is most common among Hispanic/Latino (83.81%) and White (14.81%) individuals. === Anagrams === ferior