| NOR | A Nuclear Organizing Region
| Others |
| NOR | logical NOT OR
| Others |
| NOR | Native Oyster Reef
| Others |
| NOR | Net Operating Result
| Others |
| NOR | New Ohio Review
| Others |
| NOR | New Orleans Refining
| Others |
| NOR | Nitric Oxide Reductase
| Others |
| NOR | No Official Response
| Others |
| NOR | No Original Research
| Others |
| NOR | No Ratio
| Others |
| NOR | No Research Method
| Others |
| NOR | Non-Organized Racing
| Others |
| NOR | Nonordinary Reality
| Others |
| NOR | Norfolk Assembly Plant
| Others |
| NOR | North of
| Others |
| NOR | North of the River
| Others |
| NOR | Northrup Flight Strip, New Mexico (Deorbit option site)
| Others |
| NOR | Not OR
| Others |
| NOR | Not Or The Result
| Others |
| NOR | Notice Of Race
| Others |
| NOR | Notice Of Readiness
| Others |
| NOR | Notice Of Revision
| Others |
| NOR | Nox Reduction
| Others |
| NOR | Number of Optional Referendums
| Others |