| Abbreviation | Definition |
|---|---|
| GRAMPS | Genealogical Research and Analysis Management Programming System |
| GRAP | Ghana Research and Advocacy Programme |
| GRAP | Graduate Research Affiliate Program |
| GRAPPA | Group for Research and Assessment of Psoriasis and Psoriatic Arthritis |
| GRASP | Geospatial Research Analysis and Services Program |
| GRASP | Graduate Research and Scholarship Projects |
| GRASP | Gravity Research for Advanced Space Propulsion |
| GRB | Government Research Bureau |
| GRBS | Global Research Benchmarking System |
| GRC | Gibson Research Corporation |
| GRC | Gibson Research Corporation's |
| GRC | Global Research Collaboration |
| GRC | Global Research Council |
| GRCN | Grape Research Coordination Network |
| GRCS | Group for Research and Consulting in Statistics |
| GRD | Geosciences Research Division |
| GRD | Globally Relevant Disaster |
| GRD | Graduate Research Day |
| GRD | Graphic research department |
| GRDC | Geological Research and Development Center |