| Guimarães Dirceu | c | BRA | 1982/83 | 13 | 1 | Ascoli, Avellino, Como, Hellas Verona, Napoli | | | |
| Everton Luiz Guimarães | c | BRA | 2018/19 | 0 | 0 | Spal | | | |
| Allan Gaarde | c | DAN | 2000/01 | 1 | 0 | Udinese | | | |
| Giuseppe Gabaglio | c | ITA | 1922/23 | 2 | 0 | Esperia | | | |
| Eliseu Gabardo | c | BRA | 1936/37 | 7 | 2 | Genoa, Liguria, Milan | | | |
| James Gabarra | a | USA | 1989/90 | 0 | 0 | United States | | | |
| Gabathuler | c | SVI | 1945/46 | 0 | 0 | Lugano | | | |
| Gabba | a | ITA | 1924/25 | 0 | 0 | Novese | | | |
| Eduardo Gabba | a | ITA | 1923/24 | 5 | 3 | Casale, Legnano | | | |
| Matteo Gabbia | d | ITA | 2019/20 | 1 | 0 | Milan | | | |
| Manolo Gabbiadini | c | ITA | 2008/09 | 16 | 2 | Atalanta, Bologna, Napoli, Sampdoria | | | |
| Mario Gabbiani | d | ITA | 1952/53 | 0 | 0 | Alessandria | | | |
| Gabellini | c | ITA | 1957/58 | 0 | 0 | Ancona | | | |
| Roger Gabet | d | FRA | 1946/47 | 0 | 0 | Racing France | | | |
| Claudio Gabetta | d | ITA | 1993/94 | 0 | 0 | Derthona | | | |
| Pierluigi Gabetto | a | ITA | 1970/71 | 1 | 2 | Novara |  | | |
| Guglielmo Gabetto | a | ITA | 1941/42 | 15 | 5 | Torino | | | |
| Gabi Fernández | c | SPA | 2007/08 | 1 | 0 | Atlético Madrid, Real Zaragoza | | | |
| Igor Gabilondo | a | SPA | 2003/04 | 1 | 0 | Real Sociedad | | | |
| Gabri García | c | SPA | 2002/03 | 1 | 0 | Ajax Amsterdam, Barcelona | | | |
| Gabriel Magalhães | d | BRA | 2022/23 | 0 | 0 | Arsenal | | | |
| Gabriel Ferreira | p | BRA | 2012/13 | 2 | -5 | Cagliari, Lecce, Milan, Napoli | | | |
| Gabriel Barbosa | a | BRA | 2016/17 | 0 | 0 | Inter | | | |
| Petr Gabriel | d | RCE | 1996/97 | 0 | 0 | Sparta Praha | | | |
| Gabriel Paulista | d | BRA | 2018/19 | 2 | 0 | Valencia | | | |
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