| Abbreviation | Definition |
|---|---|
| NNR | Noworyta News Reader |
| NNS | Neighborhood News Service |
| NNS | Network News Service |
| NNS | Newport News Shipbuilding |
| NNTN | Not Necessarily The News |
| NNTP | Net News Transfer Protocol |
| NNTP | Network News Transfer Protocol |
| NNTP | News Network Transfer Protocol |
| NNU | Nigeria News Update |
| NNU | Nigerian News update |
| NNU | Nigerian News Updates |
| NNW | National Newspaper Week |
| NOC | Night Of Cats |
| NOD | News On Demand |
| NOISE | News Of Immunization Statewide Events |
| NOMG | Northeast Ohio Media Group |
| NOQ | News Opinions and Quotes |
| NOTB | News on the Block |
| NOTD | News of the Day |
| NOTW | News of the Weird |