| Gianluigi | | jahn-loo-EE-gee | Italian | |
| Gianmarco | | jahn-MAHR-ko | Italian | |
| Gianmaria | | jahn-mah-REE-ah | Italian | |
| Gianna | | JAHN-nah (Italian), YAH-nah (Greek) | Italian, Greek | |
| Gianni | | JAHN-nee (Italian) | Italian, Greek | |
| Giannina | | jahn-NEE-nah | Italian | |
| Giannino | | jahn-NEE-no | Italian | |
| Gianpaolo | | jahn-POW-lo | Italian | |
| Gianpiero | | jahn-PYE-ro | Italian | |
| GiedrĖ | | - | Lithuanian | |
| Giedrius | | - | Lithuanian | |
| Gil (1) | | HEEL (Spanish), ZHEEL (Portuguese) | Spanish, Portuguese | |
| Gilbert | | GIL-bərt (English), zheel-BER (French), KHIL-bərt (Dutch), GIL-bert (German) | English, French, Dutch, German, Ancient Germanic | |
| Gilberta | | khil-BER-tah (Dutch), jeel-BER-tah (Italian) | Dutch, Italian | |
| Gilberto | | jeel-BER-to (Italian), heel-BER-to (Spanish) | Italian, Spanish, Portuguese | |