| Acronym | Definition |
|---|
| NPRO➣National Photographers' Rights Organization |
| NPRO➣Non Planar Ring Oscillator |
| NPRO➣Northern Panhandle Regional Office (Wheeling, WV) |
| NPRO➣N-Terminal Protease |
| NPRO➣Naval Plant Representative Office |
| NPRO➣Naval Petroleum Reserves Office |
| NPRO➣Non-Process Run-Out (punch card readers) |
| NPRO➣National Public Radio Online |
| NPRO➣National Performance Review Office |