| Acronym | Definition |
|---|
| NWRS➣National Wildlife Refuge System |
| NWRS➣National Water Resources Strategy (South Africa) |
| NWRS➣New World Regulatory Solutions (est. 2002) |
| NWRS➣Nation-Wide Repair Service (office equipment repair; Overland Park, KS) |
| NWRS➣Northern Women's Resource Service (Canada) |
| NWRS➣Nuclear Weapons Requirements Study |
| NWRS➣NASCAR (National Association for Stock Car Auto Racing) Weekly Racing Series (Dodge) |
| NWRS➣North Western Reform Synagogue (Golders Green, London) |