| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 561 | Gaspar | Spanish | Treasure. | M | |
| 562 | Gaspara | Spanish | Treasure. | F | |
| 563 | Gaspard | Spanish | Treasure. | M | |
| 564 | Gechina | Spanish | Grace. | F | |
| 565 | Generosa | Spanish | Generous. | F | |
| 566 | Generosb | Spanish | Generous. | M | |
| 567 | Geraldo | Spanish | Rules by the spear. | M | |
| 568 | Gerardo | Spanish | Spanish form of Gerard 'spear courageous'. | M | |
| 569 | German | Spanish | Warrior. | M | |
| 570 | Geronimo | Spanish | Spanish form of Jerome 'sacred'. | M | |
| 571 | Gertrudes | Spanish | Spanish form of Gertrude: spear. | F | |
| 572 | Gertrudis | Spanish | Spanish form of Gertrude: spear. | F | |
| 573 | Gervasio | Spanish | Warrior. | M | |
| 574 | Gervaso | Spanish | Warrior. | M | |
| 575 | Gezana | Spanish | Reference to the Incarnation. | F | |
| 576 | Gezane | Spanish | Reference to the Incarnation. | F | |
| 577 | Gil | Spanish | Squire 'Young shield.'. | M | |
| 578 | Gilberto | Spanish | Hostage. Bright lad. Spanish form of Gilbert. | M | |
| 579 | Gillermo | Spanish | Variant of William 'Resolute protector.'. | M | |
| 580 | Ginebra | Spanish | White. | F | |