NHRR
| Acronym | Definition |
|---|---|
| NHRR | North Herts Road Runners (UK) |
| NHRR | New Hope and Ivyland Rail Road |
| NHRR | Naval Hospital Roosevelt Roads |
| NHRR | Natural Hazard Risk Reduction (Organization of American States) |
| NHRR | New Haven Rail Road |
| NHRR | National High Risk Registry (Strang Cancer Prevention Center; New York, NY) |