CNAB
| Acronym | Definition |
|---|---|
| CNAB | Confédération Nationale des Administrateurs de Biens (France) |
| CNAB | Calling Name Delivery Blocking |
| CNAB | China National Accreditation Board for Certifiers |
| CNAB | Congress of North American Bosniaks |
| CNAB | Centro Nacional de Automação Bancária (Portuguese: National Center for Banking Automation; Brazil) |
| CNAB | Chimie Nucléaire Analytique et Bio-environmentale (CRCM) |
| CNAB | Customer Name and Address Bureau (telecommunications) |
| CNAB | Commander Naval Air Bases (US Navy) |