| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 541 | Gloribel | Latin | Glory. | M | |
| 542 | Graciela | Latin | Favor; blessing. The three mythological graces were nature goddesses: Aglaia: (brilliance); Thalia: (flowering); and Euphrosyne: (joy). | M | |
| 543 | Graeme | Latin | Grain. | M | |
| 544 | Graham | Latin | Grain. | M | |
| 545 | Gram | Latin | Grain. | M | |
| 546 | Grant | Latin | Great. | M | |
| 547 | Gratian | Latin | Grateful. | M | |
| 548 | Guido | Latin | Life. | M | |
| 549 | Gustave | Latin | Majestic. | M | |
| 550 | Gustavus | Latin | Staff of the gods, or staff of the Goths. | M | |
| 551 | Gusztav | Latin | Majestic. | M | |
| 552 | Guy | Latin | Life. | M | |
| 553 | Gwidon | Latin | Life. | M | |
| 554 | Gyala | Latin | Young. | M | |
| 555 | Hadrian | Latin | From 'Hadrianus' meaning of Adria or 'of the Adriatic. Also 'dark,' a variant of Adrian. Famous bearer: Roman emperor Hadrian ordered the famous Hadrian's wall be built across northern England. | M | |
| 556 | Hadrien | Latin | Dark. Variant of Adrian. In the 2nd century AD Roman Emperor Hadrian caused the Hadrian wall to be built in Britain. | M | |
| 557 | Halirrhothius | Latin | Son of Poseidon. | M | |
| 558 | Hannibal | Latin | General from the 3rd century B.C. who crossed the Alps with 30,000 men and 38 elephants during the second Punic War. | M | |
| 559 | Harpocrates | Latin | Egyptian god of the sun. | M | |
| 560 | Hector | Latin | Brother of Paris. | M | |