| Acronym | Definition |
|---|
| NRL➣National Rugby League (National Rugby League competition from Australia) |
| NRL➣Naval Research Laboratory |
| NRL➣Natural Rubber Latex |
| NRL➣National Ringette League (Canada) |
| NRL➣not Release |
| NRL➣Navigation Reverb Lockout |
| NRL➣Naked Rugby League (calendar) |
| NRL➣National Right to Life |
| NRL➣Nanoscale Research Letters (Springer) |
| NRL➣National Radiation Laboratory (New Zealand) |
| NRL➣Numaligarh Refinery Limited (India) |
| NRL➣National Refinery Limited (Pakistan) |
| NRL➣Non-Resident Landlord (real estate; UK) |
| NRL➣Noise Reduction Level |
| NRL➣National Research Lab (Seoul, Korea) |
| NRL➣Neural Retina Leucine Zipper |
| NRL➣Network Research Lab (University of North Texas Department of Computer Science) |
| NRL➣Norsk Rally Lydighet (Norwegian: Norwegian Obedience Rally; dogs) |
| NRL➣Northrock Resources Ltd. (Canada) |
| NRL➣Nationales Referenzlabor (National Reference Laboratory, Friedrich-Loeffler-Institut, Greifswald, Germany) |
| NRL➣National Resource Library |
| NRL➣National Rowing League (UK; established in 1998 to encourage competition between UK rowing clubs) |
| NRL➣National Reconciliation Law (Guatemala) |
| NRL➣Negawatt Resources Limited (New Zealand) |
| NRL➣Nippon Rediffusion Limited (Japan) |
| NRL➣Not Really Laughing |
| NRL➣NUWEP (Nuclear Weapons Employment Policy) Reconnaissance List (US DoD) |
| NRL➣National Reconnaissance List |
| NRL➣Nonrated Line |