| NRBC | Nansemond River Baptist Church 
| Others |
| NRBC | Narayanapura Right Bank Canal
| Others |
| NRBC | Narayanpur Right Bank Canal
| Others |
| NRBC | National Rare Blood Club
| Others |
| NRBC | National Reining Breeders Classic
| Others |
| NRBC | National Road Bicycle Club
| Others |
| NRBC | Natural Resources Business Center
| Others |
| NRBC | Natural Rule Based Connection
| Others |
| NRBC | Netherlands Roman Business Club
| Others |
| NRBC | Neuse River Brewing Company
| Others |
| NRBC | New Richmond Baseball Classic
| Others |
| NRBC | New Richmond Baseball Club
| Others |
| NRBC | New River Baptist Church
| Others |
| NRBC | Noland Road Baptist Church
| Others |
| NRBC | Non Residential Bridge Courses
| Others |
| NRBC | North Roanoke Baptist Church
| Others |
| NRBC | Northeast Region Burn Conference
| Others |
| NRBC | Northern Ridge Baptist Church
| Others |
| NRBC | Northlakes Reformed Baptist Church
| Others |
| NRBC | Nuclear Radiological Bacteriological and Chemical
| Others |
| NRBC | Nuclear Radiological Biological and Chemical
| Others |
| NRBC | Nuclear, Radioactive, Biological, Chemical
| Others |
| NRBC | Nucleated Red Blood Cell
| Others |
| NRBC | Nucleated Red Blood Cells
| Others |