| Guerrero | Man | Spanish Names |
| Guevara | Unisex | Spanish Names |
| Guido | Man | Italian Names |
| Guildford | Man | English Names |
| Guiliaine | Woman | French Names |
| Guillaume | Man | French Names |
| Guillermina | Woman | Spanish Names |
| Guillermo | Man | Spanish Names |
| Guinan | Unisex | American Names |
| Guinevak | Woman | Welsh - Arthurian Romance Names |
| Guinevere | Woman | Welsh Names |
| Guitain | Unisex | Native American - Kiowa Names |
| Gül | Unisex | Persian Names |
| Gülay | Woman | Turkish Names |
| Gülistan | Woman | Turkish Names |
| Gulliver | Man | English Names |
| Gulzar | Unisex | Arabic Names |
| Gunda | Woman | Scandinavian Names |
| Gunesh | Unisex | Turkish Names |
| Gunhilda | Woman | English Names |