| Guto | Man | Welsh Names |
| Güvenç | Man | Turkish Names |
| Guy | Man | German Names |
| Guylan | Man | American Names |
| Guzman | Man | Spanish Names |
| Gwalbert | Man | Polish Names |
| Gwalchmai | Man | Welsh Names |
| Gwaltney | Man | Welsh Names |
| Gwawr | Woman | Welsh Names |
| Gwen | Woman | Welsh Names |
| Gwenaël | Man | French - Breton Names |
| Gwenaëlle | Woman | French Names |
| Gwendolyn | Woman | Welsh Names |
| Gwenhwyfar | Woman | Welsh Names |
| Gwenifer | Woman | Welsh Names |
| Gwenllian | Woman | Welsh Names |
| Gwennan | Woman | Welsh Names |
| Gwenno | Woman | Welsh Names |
| Gwern | Man | Welsh Names |
| Gwidon | Man | Polish Names |