GRK
| Acronym | Definition |
|---|---|
| GRK | G Protein-Coupled Receptor Kinase |
| GRK | G Protein-Coupled Receptor Kinase (enzyme) |
| GRK | Government Record-Keeping (various locations) |
| GRK | Gray Army Airfield (Airport Code; Ft Hood, Texas) |
| GRK | Green River Killer |
| GRK | Goshin-Ryu Kempo (karate style) |
| GRK | Goju-Ryu Karate (Japanese martial arts style) |
| GRK | Killeen-Ft Hood Regional Airport (Texas) |