| NACB | National Academy Of Clinical Biochemistry 
| Others |
| NACB | National Accreditation and Certification Board
| Others |
| NACB | National Anti Counterfeiting Bureau
| Others |
| NACB | National Association of Cannabis Business
| Others |
| NACB | National Association of Cannabis Businesses
| Others |
| NACB | National Association of Catering Butchers
| Others |
| NACB | National Association of Church Business
| Others |
| NACB | National Association of College Broadcasters
| Others |
| NACB | National Association of Commercial Broadcasters
| Others |
| NACB | Native American Community Board
| Others |
| NACB | New Academic Classroom Building
| Others |
| NACB | Nigerian Agricultural and Cooperative Bank
| Others |
| NACB | Nigerian Agricultural Cooperative Bank
| Others |
| NACB | No Adjust Car Build
| Others |
| NACB | Node Above Cracked Boll
| Others |
| NACB | Nodes Above Cracked Boll
| Others |
| NACB | Non Air Conditioned Bus
| Others |
| NACB | North American Charge Breeding
| Others |
| NACB | North American Computer Braille
| Others |
| NACB | North American County Board
| Others |
| NACB | North American Cow Bone
| Others |
| NACB | North American Crane Bureau
| Others |
| NACB | Northeast Asia Cooperation Bank
| Others |
| NACB | Northern Athletic Centre Board
| Others |
| NACB | Nucleic Acid Chemical Biology
| Others |