| CALA | Canadian Association for Laboratory Accreditation 
| Others |
| CALA | Care and Learning Alliance
| Others |
| CALA | Caribbean and Latin America
| Others |
| CALA | Caribbean Latin America
| Others |
| CALA | Carolina Academic Library Associates
| Others |
| CALA | Carolina Southern Railroad
| Others |
| CALA | Carolina Southern Railroad Company
| Others |
| CALA | Center for Accelerated Language Acquisition
| Others |
| CALA | Central America and Latin America
| Others |
| CALA | Central America Latin America
| Others |
| CALA | Certified Assisted Living Administrator
| Others |
| CALA | Chinese American Librarians Association
| Others |
| CALA | Citizens Against Lawsuit Abuse
| Others |
| CALA | College of Architecture and Landscape Architecture
| Others |
| CALA | Columbus Area Library Association
| Others |
| CALA | Comic Arts Los Angeles
| Others |
| CALA | Community Activism Law Alliance
| Others |
| CALA | Community Airborne Library Architecture
| Others |
| CALA | Computer-Assisted License Application
| Others |
| CALA | Connecticut Assisted Living Association
| Others |
| CALA | Corporate Automotive Logistics Academy
| Others |
| CALA | Customer Address Location Area
| Others |