Gianantonio

Gianantonio is an Italian masculine blended given name that is a combination of Gianni and Antonio. Notable people known by this name include the following:


 * Gianantonio Capizucchi (1515 – 1569), Italian Roman Catholic cardinal and bishop
 * Gianantonio Da Re (born 1953), Italian politician
 * Gianantonio Davia (1660 – 1740), Italian Roman Catholic cardinal
 * Gianantonio Guardi, nickname of Giovanni Antonio Guardi (1699 – 1760), Italian painter and nobleman
 * Gianantonio Serbelloni, nickname of Giovanni Antonio Serbelloni (1519–1591), Italian Cardinal
 * Gianantonio Zopegni (1915 – 2003), Italian ice hockey player