| Acronym | Definition |
|---|
| NCB | National Children's Bureau |
| NCB | National Commercial Bank (Saudi Arabia) |
| NCB | National Child Benefit (Canada) |
| NCB | National Competitive Bidding |
| NCB | National Computer Board (Republic of Mauritius) |
| NCB | National Central Bank (finance, European Union) |
| NCB | National Coal Board (UK) |
| NCB | National Cooperative Bank |
| NCB | National City Bank |
| NCB | Nordisk Copyright Bureau |
| NCB | National Central Bureau |
| NCB | Narcotics Control Bureau |
| NCB | National Codification Bureau |
| NCB | Network Control Block |
| NCB | No Claim Bonus |
| NCB | Nuclear Chemical and Biological (usually seen as NBC) |
| NCB | National Cargo Bureau |
| NCB | Natural Childbirth |
| NCB | Non-Compliant Boarding |
| NCB | Naval Construction Brigade |
| NCB | Non-Carbonated Beverage |
| NCB | Notified Certification Body |
| NCB | National Center for Biodefense |
| NCB | Network Controller Board |
| NCB | Nepean Concert Band (Ottawa, ON, Canada) |
| NCB | No Compile Browser File (Microsoft Visual C++ file extension) |
| NCB | Never Change Baby |
| NCB | National Camps for the Blind (Canada) |
| NCB | Norwegian Cricket Board |
| NCB | Navy Capabilities Board |
| NCB | Nano Carbon Ball (deodorization) |
| NCB | Northport Community Band (Northport, NY) |
| NCB | Node Control Board |
| NCB | North Caspian Base (oil production) |
| NCB | Northdale Concert Band (Toronto, Canada) |
| NCB | Newmarket Citizens' Band (Canada) |
| NCB | New Call Blocking |
| NCB | Noiseless Coding Block |
| NCB | Network Configuration Book |
| NCB | Director, Office of Budget & Reports (NAVCOMPT) |
| NCB | Narragansett Community Band (Templeton, MA) |
| NCB | National Confederation of the Blind (Delhi, India) |
| NCB | Naked City Bootlegs (DVD bootlegs of the band KISS) |