Giovanni Rossi may refer to:

• Giovanni Rossi (anarchist) (1856-1943), Italian anarchist
• Giovanni Rossi (bicycle racer) (1926-1983), Swiss road bicycle racer
• Giovanni de' Rossi (1431-1502), Italian condottiero and the fifth count of San Secondo
• Giovanni de Rossi (bishop) (died 1667), Roman Catholic Bishop of Ossero and Bishop of Chiron
• Giovan Antonio de' Rossi (1616–1695), Italian architect of the Baroque
• Giovanni Giacomo de Rossi (1627-1691), Italian engraver and printer, active in Rome
• Giovanni Battista de' Rossi (1698-1764), Italian Roman Catholic priest
• Giovanni Bernardo De Rossi (1742-1831), Italian Hebraist
• Giovanni Battista de Rossi (1822-1894), Italian archaeologist
• Giovanni "Gio" Rossi, fictional character on the ABC television series, Ugly Betty