| Acronym | Definition |
|---|
| CNBA | Chambre Nationale de la Batellerie Artisanale (French: National Chamber of the Small Waterway) |
| CNBA | Colegio Nacional de Buenos Aires (Argentina) |
| CNBA | Club de Natation de Ben Arous (French: Ben Arous Swimming Club; Tunisia) |
| CNBA | Central New Brunswick Academy (Canada) |
| CNBA | Canadian Norwegian Business Association (Norway) |
| CNBA | Centralny Nurt Basketu Amatorskiego (Polish amateur basketball association) |
| CNBA | Cities of New Brunswick Association (Canada) |
| CNBA | China National Bar Association |
| CNBA | China National Basketball Association |