| Acronym | Definition |
|---|
| CPBA | Certified Professional Behavioral Analyst |
| CPBA | Club des Petits Bolides Agenais (French radio controlled car club) |
| CPBA | Competitive Protein-Binding Analysis |
| CPBA | Camarillo Pony Baseball Association (Camarillo, CA) |
| CPBA | Coulomb-Projected Born Approximation |
| CPBA | Chiba Pocket Billiard Association (Chiba, Japan) |
| CPBA | Champlin Park Band Association (Champlin Park High School; Champlin, MN) |
| CPBA | Chincoteague Pony Breeders Association (est. 2006) |
| CPBA | Camino Parque del Buen Ayre (Spanish; Argentinian highway) |