| GERGELY m Hungarian |
| GERGŐ m Hungarian |
| GORETTI f Various |
| GOYO m Spanish |
| GRÉAGÓIR m Irish |
| GREER f & m Scottish, English (Rare) |
| GREG m English |
| GREGER m Swedish |
| GREGERS m Danish, Norwegian |
| GREGG m English |
| GRÉGOIRE m French |
| GREGOR m German, Scottish, Slovene |
| GREGORIO m Italian, Spanish |
| GREGORIOS m Greek, Late Greek |
| GREGORIUS m Late Greek (Latinized) |
| GREGORY m English |
| GREIG m Scottish |
| GRGA m Croatian |
| GRGUR m Croatian |
| GRIER m Scottish, English (Rare) |
| GRIGOL m Georgian |
| GRIGOR m Welsh, Bulgarian, Macedonian, Armenian |
| GRIGORE m Romanian |
| GRIGORI m Russian |
| GRIGORII m Medieval Slavic |
| GRIGORIJS m Latvian |
| GRIGORIY m Russian |
| GRIGORY m Russian |
| GRIOGAIR m Scottish |
| GRISHA m Russian |
| GRZEGORZ m Polish |
| HRYHORIY m Ukrainian |
| KRIKOR m Armenian |
| REIJO m Finnish |
| REKO m Finnish |
