| Gretchen | | GRET-khen (German), GRECH-ən (English) | German, English | |
| Grete | | GRE-tə (German) | German, Danish, Norwegian | |
| Gretel | | GRE-tel | German | |
| Grimhilt | | - | Ancient Germanic, Germanic Mythology | |
| Gudrun | | GOOD-roon (German) | Norse Mythology, Swedish, Norwegian, Danish, German | |
| Guido | | GWEE-do (Italian), GEE-do (German) | Italian, German | |
| Gumarich | | - | Ancient Germanic | |
| Gunda | | GUWN-dah (German) | German, Swedish, Norwegian, Danish, Ancient Germanic | |
| Gundahar | | - | Ancient Germanic, Germanic Mythology | |
| Gundhram | | - | Ancient Germanic | |
| Gundisalvus | | - | Ancient Germanic (Latinized) | |
| Gundula | | GUWN-doo-lah | German | |
| Gunter | | - | German | |
| Gunther | | GUWN-ter | German | |
| Guntram | | GUWNT-rahm | German | |