Select: ALL A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
| Name | Membership | USCF# | ICA-Exp |
| Galliano, Emil | Scholastic | 30548694 | 2025-05-31 |
| Gangavarapu, Sreekar | Scholastic | 16492601 | 2025-11-05 |
| Ganti, Aarnav | Scholastic | 17336001 | 2025-09-02 |
| Gasunas, Anthony | Regular | 12590508 | 2025-12-06 |
| Georgiev, Vladimir | Honorary | 12735967 | 2030-12-31 |
| Getz, Henry | Regular | 12585119 | 2026-01-31 |
| Gilruth, Bruce | Regular | 12463315 | 2025-10-06 |
| Girish, Niyathi | Scholastic | 16221570 | 2025-05-19 |
| Godinho, Franklin | Scholastic | 16958520 | 2025-09-02 |
| Goldin, Alexander | Honorary | 12556822 | 2030-12-31 |
| Gomez, Tatum | Scholastic | 2025-11-23 | |
| Green, Amy | Regular | 16247270 | 2025-03-31 |
| Gruenberg, Fred | Honorary | 10350573 | 2030-12-31 |
| Guntury, Shridhar | Regular | 32000372 | 2025-09-30 |
| Guo, Zihao | Scholastic | 31625461 | 2026-10-21 |
| Gupta, Arin | Scholastic | 2025-12-31 | |
| Gupta, Radhika | Scholastic | 15961920 | 2025-09-01 |
| Gurevich, Dmitry | Honorary | 12212800 | 2030-12-31 |
Memberships expiring on or after: 2025-01-01