| Griffin | | GRIF-in | English | |
| Grigor | | - | Welsh, Bulgarian, Macedonian, Armenian | |
| Grimhilt | | - | Ancient Germanic, Germanic Mythology | |
| Griselda | | gri-ZEL-də (English) | English, Scottish, Spanish, Literature | |
| Grosvenor | | GROV-ə-nər, GROV-nər | English (Rare) | |
| Grover | | GRO-vər | English | |
| Gu&Eth;Brandr | | - | Ancient Scandinavian | |
| Gu&Eth;Fri&Eth;R | | - | Ancient Scandinavian | |
| Gu&Eth;Laug | | - | Ancient Scandinavian, Icelandic | |
| Gu&Eth;Leif | | - | Ancient Scandinavian | |
| Gu&Eth;Leifr | | - | Ancient Scandinavian | |
| Gu&Eth;Mundr | | - | Ancient Scandinavian | |
| Gu&Eth;RÍ&Eth;R | | - | Ancient Scandinavian | |
| Gu&Eth;RÚN | | - | Ancient Scandinavian, Norse Mythology, Icelandic | |
| Guarin | | - | Medieval French | |