| Acronym | Definition |
|---|
| NNL➣Numbers Never Lie (sports) |
| NNL➣No Net Loss (biodiversity) |
| NNL➣National Natural Landmark (US) |
| NNL➣Network and Native Load (energy management) |
| NNL➣Never Never Land |
| NNL➣National Negro League |
| NNL➣Net Newsledger.com (online news service; Thunder Bay, Ontario, Canada) |
| NNL➣Non-Nuclear Lance |
| NNL➣National Nightline |
| NNL➣Near-Natural Language |