| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Giacobbe | jah-KOB-be | Italian | ||
| Giacoma | JAH-ko-mah | Italian | ||
| Giacomina | - | Italian | ||
| Giacomo | JAH-ko-mo | Italian | ||
| Giada | JAH-dah | Italian | ||
| Giambattista | jahm-baht-TEE-stah | Italian | ||
| Giampaolo | jahm-POW-lo | Italian | ||
| Giampiero | jahm-PYE-ro | Italian | ||
| Gian | - | Italian (Archaic) | ||
| Giancarlo | jahn-KAHR-lo | Italian | ||
| Gianfranco | jahn-FRAHN-ko | Italian | ||
| Gianluca | jahn-LOO-kah | Italian | ||
| Gianluigi | jahn-loo-EE-gee | Italian | ||
| Gianmarco | jahn-MAHR-ko | Italian | ||
| Gianmaria | jahn-mah-REE-ah | Italian |