| Name | Meaning | Gender | Origin |
| Grisandole | A Princess Who Dresses As A Man | Female | Arthurian |
| Griselda | Gray Battle Maiden | Female | German |
| Griselde | Gray Battle Maiden | Female | German |
| Grisella | Gray: Gray-Haired. Italian Author Giovanni Boccaccio's Used The Name For An Exceptionally Patient Fictional Wife - Thus The Expression Patience Of Griselda. | Female | German |
| Grishilde | Gray Battle-Maid | Female | Dutch |
| Grisjahilde | Gray Battle Maiden | Female | German |
| Griswald | From The Gray Forest | Male | German |
| Griswalda | From The Gray Forest | Female | German |
| Griswalde | From The Gray Forest | Female | German |
| Griswold | From The Gray Forest | Male | German |
| Grizel | Scottish Form Of Grizelda Gray Haired | Female | Scottish |
| Grizela | Scottish Form Of Grizelda Gray Haired | Female | Scottish |
| Gryfflet | Killed By Lancelot | Male | Arthurian |
| Gryselda | Gray: Gray-Haired. Italian Author Giovanni Boccaccio's Used The Name For An Exceptionally Patient Fictional Wife - Thus The Expression Patience Of Griselda. | Female | German |
| Guadalupe | Wolf Valley. Biblical Mary Is Mexico's Lady Of Guadalupe. | Female | Arabic |
| Gualterio | Spanish Form Of Walter Strong Warrior | Male | Spanish |
| Guendolen | White | Female | English |
| Guenloie | A Queen | Female | Arthurian |
| Guennola | White | Female | Celtic |
| Guilaine | Pleasant Oath | Female | German |
| Guilbert | Trusted | Male | English |
| Guilio | Young | Male | Greek |
| Guillaume | Variant Of William Resolute Protector. | Male | French |
| Guillelmina | Resolute Protector | Female | Spanish |
| Guillermo | Variant Of William Resolute Protector. | Male | Spanish |
| Gulielma | Feminine Form Of William (Resolute Protector) | Female | Italian |
| Guljul | Little Bell | Male | Arabic |
| Gunilla | Battle-Maid | Female | German |
| Gunnel | Battle Maiden | Female | German |
| Gurgalan | A Pagan King | Male | Arthurian |