 Esther Guerrero | Atletismo |
 Jérôme Guery | Ecuestre |
 Asa Guevara | |
 Sarra Guezguez | Vela |
| Eya Guezguez | Vela |
 Annie Guglia | Patineta |
 Guilherme Guido | Aquatics |
 Huang Guifen | Atletismo |
 Jose Ramon Guipe Arismendi | Remo |
| Luo Guiping | |
 Andrin Gulich | Remo |
 Ramil Guliyev | Atletismo |
 Geir Gulliksen | Ecuestre |
 Emma Gullstrand | Aquatics |
 Michelle Gulyas | Pentatlón Moderno |
| Viktoriya Zeynep Gunes | Aquatics |
 Park Gunwoo | Vela |
| Yiqi Guo | |
| Dong Guojian | Atletismo |
 Katelin Guregian | Remo |
| Ümit Can Güres | Aquatics |
 Polina Guryeva | Levantamiento de Pesas |
| Felipe Gustavo | Patineta |
 Gustav Gustenau | Pentatlón Moderno |
 Ronan Gustin | |