| Acronym | Definition |
|---|
| CAHA | Cape Hatteras National Seashore (US National Park Service) |
| CAHA | Canadian Amateur Hockey Association |
| CAHA | Centro Astronómico Hispano Alemán |
| CAHA | California Amateur Hockey Association |
| CAHA | Colorado Amateur Hockey Association |
| CAHA | Cincinnati Amateur Hockey Association |
| CAHA | Capital Area Health Alliance |
| CAHA | California Academy for the Healing Arts |
| CAHA | Cyclones Amateur Hockey Association |
| CAHA | Capital Amateur Hockey Association |
| CAHA | Carolina Amateur Hockey Association |
| CAHA | Coyotes Amateur Hockey Association |
| CAHA | Capitol Area Homeless Alliance |
| CAHA | Christian Alliance Housing Association |
| CAHA | Canton-Akron Hockey Association |
| CAHA | Canton Amateur Hockey Association |
| CAHA | Colin A. Houston & Associates, Inc. |
| CAHA | Columbia Amateur Hockey Association |
| CAHA | Cadillac Area Hockey Association |
| CAHA | California Air Hockey Association |
| CAHA | Charlotte Area Hotel Association (North Carolina) |
| CAHA | Controlled Access Highway Agreement |
| CAHA | Canadian Association of Healthcare Auxiliaries |
| CAHA | Cloquet Amateur Hockey Association |
| CAHA | Cheyenne Area Hospitality Association (Wyoming) |
| CAHA | Council of the Arts and Humanities Agency (Guam) |
| CAHA | Connecticut Aviation Historical Association |
| CAHA | Calcium Hydroxylaptite |
| CAHA | Cold Autoimmune Hemolytic Anemia |
| CAHA | Comite de Accion de Huelga de Arte |
| CAHA | Canadian Administrative Housekeepers Association of Canada |
| CAHA | Capital Alliance Holdings Australia |
| CAHA | Communications, Awareness and Healthcare Affordability (task force) |
| CAHA | Central Animal Health Association |
| CAHA | Chamber and Association of Hungarian Architects |
| CAHA | Coatesville Area Hockey Association (Coatesville, PA) |
| CAHA | Center Avenue Historic Association (Bay City, Michigan) |
| CAHA | Carlsbad Arts and Humanities Alliance (New Mexico) |