Peralta (Spanish pronunciation: [peˈɾalta]) is a Spanish surname. It is also an Italian surname found in Sicily, Piedmont, and Tuscany.

The first time that this name appeared was during the Middle Age, when people started to take surnames related to their father's name, in this case, the Italian name Pietro.

This name has its origins in the Latin words pietra which means rock, and alta, which refers to being tall or big.

Notable people with the surname Peralta include:

Fictional

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