| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Giuseppa | joo-ZEP-pah | Italian | ||
| Giuseppe | joo-ZEP-pe | Italian | ||
| Giuseppina | joo-zep-PEE-nah | Italian | ||
| Giustina | joos-TEE-nah | Italian | ||
| Giustino | joos-TEE-no | Italian | ||
| Glauco | GLOW-ko (Italian, Spanish) | Italian, Spanish, Portuguese | ||
| Gloria | GLAWR-ee-ə (English), glo-REE-ah (Italian), GLAW-ryah (Polish) | English, Italian, Spanish, Portuguese, German, Polish | ||
| Goffredo | - | Italian | ||
| Grazia | GRAHT-syah | Italian | ||
| Graziana | graht-SYAH-nah | Italian | ||
| Graziano | graht-SYAH-no | Italian | ||
| Graziella | graht-SYEL-lah | Italian | ||
| Gregorio | gre-GO-ryo | Italian, Spanish | ||
| Gualtiero | - | Italian | ||
| Guerino | - | Italian |