| Frigidianus | | - | Late Roman | |
| Fulgentius | | - | Late Roman | |
| Fulvia | | FOOL-vyah (Italian) | Italian, Ancient Roman | |
| Fulvius | | - | Ancient Roman | |
| Gabi | | GAH-bee (German) | German, Romanian, Hungarian | |
| Gabinus | | - | Late Roman | |
| 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 | |
| Gahariet | | - | Arthurian Romance | |
| Gaius | | GAH-yoos (Ancient Roman), GAH-yuws (Ancient Roman), GIE-əs (English) | Ancient Roman, Biblical Latin, Biblical | |
| Galahad | | GAL-ə-had (English) | Arthurian Romance | |
| Gallus | | - | Ancient Roman | |
| Gareth | | GAR-əth (Welsh, English) | Welsh, English (British), Arthurian Romance | |
| Gavril | | - | Bulgarian, Macedonian, Romanian | |
| Gavrila | | - | Romanian | |