Pio Enea I Obizzi was an Italian nobleman. Son of Gasparo degli Obizzi and Beatrice da Correggio, in 1563 he married Eleonora Martinengo and later Anna Da Passano. He had three children, Roberto, Livia and Obizzo. He was a man of arms, Marquis, he was attributed the invention of the hips, which, according to this attribution, would have taken its name from him, while in reality the howitzer (hofunice in Bohemian) dates back to the Hussite Wars, antecedents of a century.
In 1570 he built the Castello del Catajo, located in the Paduan municipality of Battaglia Terme. He was also a condottiere of the Republic of Venice (at that time Serenissima). It is part of the Obizzi dynasty.