| Abbreviation | Definition |
|---|---|
| GRAS | Graduate Recruit Alumni Society |
| GRASP | Gaining Real Alumni Student Perspectives |
| GRQ | Gided Reading Questions |
| GSAA | General Studies Alumni Association |
| GSAA | Graduate School Alumni Association |
| GTCA | Georgia Tech Crew Alumni |
| GUAA | Gallaudet University Alumni Association |
| GUAA | Georgetown University Alumni Association |
| GUAAP | Georgetown University Alumni Admissions Program |
| GUNAA | Grambling University National Alumni Association |
| GWAA | George Washington Alumni Association |
| HAA | Harvard Alumni Association |
| HAAA | Harvard Arab Alumni Association |
| HAAAA | Harvard Asian American Alumni Alliance |
| HAASA | Holland Alumni Association of South Africa |
| HAASA | Holland Alumni Association South Africa |
| HAB | Harvard Alumni Bulletin |
| HACE | Harvard Alumni for Climate and the Environment |
| HAGD | Harvard Alumni for Global Development |
| HAKU | Himpunan Alumni Kyoto University |