• Ugolino di Conti (c. 1170–1241), head of the Catholic Church and ruler of the Papal States as
Pope Gregory IX •
Ugolino da Gualdo Cattaneo (1200–1260), Italian Roman Catholic professed religious and friar of the Order of Saint Augustine •
Ugolino della Gherardesca (c. 1220–1289), Italian nobleman who features prominently in Canto 32 of Dante's
Inferno •
Ugolino of Gallura (Nino Visconti; died 1298), Sardinian judge •
Ugolino de Vivaldo (fl. 1291), Genoese explorer •
Ugolino Gonzaga (1320–1362), Italian condottiero •
Ugolino II Trinci, Lord of Foligno (1343–1353) •
Ugolino III Trinci, Lord of Foligno (1386–1415) •
Ugolino Giugni (died 1470), Italian Roman Catholic prelate •
Tiberio Ugolino (fl. 1483–1519), Italian Roman Catholic prelate •
Ugolino Martelli (bishop) (died 1523), Italian Roman Catholic prelate •
Nicola Ugolino (fl. 1720s), Italian lute player and composer •
Blaisio Ugolino, 18th-century Italian polyhistor •
Ugolino Martelli (1860–1934), Italian botanist, biologist and mycologist •
Ugolino Vivaldi Pasqua (1885–1910), Italian aviator ==See also==