Altiero Name Meaning, Origin and Heraldry
Altiero is best understood alongside Altieri: both are Italian spellings of a single family name. The name is generally explained as “Altiero / high”. The change of ending between Altieri and Altiero reflects the Italian habit of naming a family in the plural or the singular. Regional accents shaped spellings long before dictionaries fixed them. The same family of names includes Alteri.
Altiero sounds close to Alter, so it can help to search both.
Heraldry is personal: arms associated with the Altieri surname were borne by specific families, and sharing the name does not mean sharing the blazon. For the full story, order the Altiero surname pack.