Giannantonio

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

Given name

 * Giannantonio Lecchi or Giovanni Antonio Lecchi (1702 - 1776), Italian Jesuit and mathematician
 * Giannantonio Moschini (1773 - 1840), Italian author and Roman Catholic priest
 * Giannantonio Sperotto (born 1950), Italian football player
 * Giannantonio Orsini, nickname of Giovanni Antonio Del Balzo Orsini (1386 or 1393 – 1463), Italian nobleman and military leader

Surname

 * Fabio Di Giannantonio (born 1998), Italian motorcycle racer
 * John Giannantonio (born c. 1934), American gridiron football player