| Acronym | Meaning |
| GRL | Air Greenland (ICAO code) |
| GRL | General Residual Life |
| GRL | Global Reach Laydown (US DoD) |
| GRL | Global Requirement List |
| GRL | Grazinglands Research Laboratory (USDA; El Reno, OK) |
| GRL | Greenland (ISO Country code) |
| GRL | Gross Rail Load (transportation) |
| GRL | Gross Requirements List |