HRRL
| Acronym | Definition |
|---|---|
| HRRL | Hampshire Road Race League (UK) |
| HRRL | Hard Rock Radio Live (Internet radio station) |
| HRRL | Highland Rim Regional Library (Tennessee) |
| HRRL | Ham Radio Repeater Locator |
| HRRL | High Repetition Rate Laser |
| HRRL | Hierarchical Relational Reinforcement Learning |