| Gu&Eth;RÚN | | - | Ancient Scandinavian, Norse Mythology, Icelandic | |
| Guadalupe | | gwah-dhah-LOO-pe | Spanish | |
| Gualterio | | - | Spanish (Rare) | |
| Gualtiero | | - | Italian | |
| Gudbrand | | - | Norwegian, Danish | |
| Gudmund | | - | Swedish, Norwegian, Danish | |
| Gudrun | | GOOD-roon (German) | Norse Mythology, Swedish, Norwegian, Danish, German | |
| Guenevere | | - | Arthurian Romance | |
| Guerino | | - | Italian | |
| Guglielmo | | gool-LYEL-mo | Italian | |
| Guido | | GWEE-do (Italian), GEE-do (German) | Italian, German | |
| GuifrÉ | | - | Catalan | |
| Guillem | | - | Catalan | |
| Guillermo | | gee-YER-mo | Spanish | |
| Guinevere | | GWIN-ə-vir (English) | Arthurian Romance | |