Around the globe, Gianantonio (Gianantonio 
) is quite a rare male first name. The first name Gianantonio is characteristic of Italy, where it is quite a rare boy's name, and Germany, where it is a very rare male name. Very seldom, Gianantonio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gianantonio | Italy, Argentina, Spain, United States, Brazil |
| gianantonio capizucchi Italian cardinal, IT (b. 1515) |
|
|
|
gianantonio davia Italian cardinal, IT (b. 1660) |
|
| gianantonio buti (b. 1700) |
|
|
| gianantonio della beretta Italian bishop, IT (b. 1733) |
|
|
| gianantonio zuliani Venetian engraver (b. 1760) |
|
|
|
gianantonio mazzocchin Italian politician and teacher, IT (b. 1939) |
|
| gianantonio zopegni Italian ice hockey layer, IT (b. 1915) |
|
|
| gianantonio acchiappati (born 1933) (b. 1933) |
|
|
| gianantonio da re Italian politician, IT (b. 1953) |
|
|
| gianantonio abate painter (b. 1954) |
|
|
| gianantonio borgonovo Italian priest, biblical scholar and theologian, IT (b. 1955) |
|
|
| gianantonio bertoli (born 1956) (b. 1956) |
|
|
| gianantonio arnoldi Italian politician, IT (b. 1958) |
|
|
| gianantonio zanetel Italian cross-country skier, IT (b. 1969) |
|
|
| gianantonio cristalli IT (b. 1959) |
|
Mora, Mandica, Maculan, Allegri, Paciscopi, Rovetta, Galanti, Franchi, Ferrari, Zanetti, Michelon, Spinelli, Cattaneo, Cattelan, Guidetti, Vergolani, Missiroli, Calderara, Citarella, Brambilla, Pelizzari, Farinotti, Urbani, Furlan, Vecchi, Prinsi, Brun, Rios, Gava, Tosi, Masin, Masut, Maggi, Monti, Menin, Conti, Galimberti, Baldi, Perin, Pozza, Rossi, Rizzi, Greco, Tolio, Nigro, Macchi, Calani, Bonato, Basso, and Governatori