| Gabin | Gabor | Gabriel |
| Gabriël | Gabriele | Gaël |
| Gael | Gaetan | Gaétan |
| Gaëtan | Gaetano | Gaëtano |
| Gary | Gaspar | Gaspard |
| Gaston | Gatien | Gaulthier |
| Gaultier | Gauthier | Gautier |
| Gauvain | Gemechu | Gennaro |
| Gentil | Geoffrey | Geordy |
| George | Georges | Georgi |
| Géraud | Gerbe | Gerben |
| Gerd | Germain | Gérôme |
| Gert | Ghislain | Gia |
| Giacomo | Gian | Gian-Luca |
| Giani | Gianluca | Gianni |
| Giano | Gibbe | Gibril |
| Gideon | Giel | Giele |
| Gies | Gijs | Gil |
| Gilbert | Gilian | Gill |
| Gilles | Gillian | Gino |
| Gio | Gionovanni | Giordano |
| Giorgi | Giorgio | Giovanni |
| Giulian | Giuliano | Giuseppe |
| Glen | Glenn | Glodi |
| Godwin | Gohan | Gonçalo |
| Goran | Gorik | Grady |
| Greg | Grégoire | Gregory |
| Grégory | Griffen | Grim |
| Guido | Guilhem | Guilherme |
| Guilian | Guillaume | Guillermo |
| Guillian | Gunnar | Gus |
| Gust | Gustaaf | Gustav |
| Gustave | Guus | Guust |
| Guy | Guyan | Gwenaël |
| Gwendal | Gwenn | Gyllian |
| Gürkan | Güven | Gökdeniz |