| Gabino | | gah-BEE-no | Spanish | |
| Gabriel | | ga-bree-EL (French), GAH-bryel (Spanish), GAHP-ree-el (German), GAHB-ree-el (Finnish), GAY-bree-əl (English), GAHP-ryel (Polish) | French, Spanish, Portuguese, German, Swedish, Norwegian, Danish, Finnish, Catalan, English, Romanian | |
| Gabriela | | gahp-RYE-lah (Polish), gah-BRYE-lah (Spanish), gahp-ree-E-lah (German) | Portuguese, Polish, Romanian, Spanish, German, Czech, Slovak, Croatian, Bulgarian | |
| Galo | | GAH-lo | Spanish | |
| Garsea | | - | Medieval Spanish | |
| Gaspar | | gah-SPAHR (Spanish) | Spanish, Portuguese, Judeo-Christian Legend | |
| GastÓN | | - | Spanish | |
| Gema | | - | Spanish | |
| Genoveva | | he-no-VE-vah (Spanish), zhə-noo-VE-və (Portuguese) | Spanish, Portuguese | |
| Georgina | | jor-JEE-nə (English) | English, Dutch, German, Spanish | |
| GerÓNimo | | - | Spanish | |
| Geraldo | | he-RAHL-do (Spanish) | Spanish, Portuguese | |
| Gerardo | | je-RAHR-do (Italian), he-RAHR-do (Spanish) | Italian, Spanish | |
| GermÁN | | - | Spanish | |
| Gertrudis | | - | Spanish | |