| Gilbert | | GIL-bərt (English), zheel-BER (French), KHIL-bərt (Dutch), GIL-bert (German) | English, French, Dutch, German, Ancient Germanic | |
| Gilberto | | jeel-BER-to (Italian), heel-BER-to (Spanish) | Italian, Spanish, Portuguese | |
| Gilchrist | | - | Scottish | |
| Gilda | | - | Italian, Portuguese | |
| Giles | | JIELZ, JIE-əlz | English | |
| Gilgamesh | | GIL-gə-mesh (English) | Near Eastern Mythology | |
| Gill | | JIL | English | |
| Gillespie | | - | Scottish | |
| Gillian | | JIL-ee-ən, GIL-ee-ən | English | |
| Gilroy | | - | Irish, Scottish | |
| Gina | | JEE-nah (Italian), JEE-nə (English) | Italian, English, Swedish, Norwegian, Danish | |
| Ginger | | JIN-jər | English | |
| Ginnie | | JIN-ee | English | |
| Ginny | | JIN-ee | English | |
| Girisha | | - | Hinduism | |