| Grega | | - | Slovene | |
| Gregg | | GREG | English | |
| Gregor | | GRE-gawr (German) | German, Scottish, Slovak, Slovene | |
| Gregory | | GREG-ə-ree | English | |
| Grenville | | GREN-vil | English (Rare) | |
| Gresham | | GRESH-əm | English (Rare) | |
| Greta | | GRE-tah (German), GRET-ə (English) | Swedish, German, English | |
| Gretchen | | GRET-khen (German), GRECH-ən (English) | German, English | |
| Gretta | | GRET-ə | English | |
| Grey | | GRAY | English (Rare) | |
| Greyson | | GRAY-sən | English (Modern) | |
| Grier | | GREER | Scottish, English (Rare) | |
| Griffin | | GRIF-in | English | |
| Grigor | | - | Welsh, Bulgarian, Macedonian, Armenian | |
| Grimhilt | | - | Ancient Germanic, Germanic Mythology | |