| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Gaia | GAY-ə (English), GIE-ə (English), GAH-yah (Italian) | Greek Mythology, Italian | ||
| Gallo | GAHL-lo | Italian | ||
| Gaspare | - | Italian | ||
| Gasparo | - | Italian | ||
| Gastone | - | Italian | ||
| Gavino | gah-VEE-no | Italian | ||
| Geltrude | - | Italian | ||
| Gemma | JEM-mah (Italian), JEM-ə (English), KHE-mah (Dutch) | Italian, Catalan, English (British), Dutch | ||
| Gennarino | - | Italian | ||
| Gennaro | - | Italian | ||
| Genoveffa | je-no-VEF-fah | Italian | ||
| Gerarda | je-RAHR-dah (Italian) | Italian, Dutch | ||
| Gerardo | je-RAHR-do (Italian), he-RAHR-do (Spanish) | Italian, Spanish | ||
| Germana | - | Italian, Ancient Roman | ||
| Germano | - | Italian, Portuguese |