| Abbreviation | Definition |
|---|---|
| CGSA | Coppell Girls Softball Association |
| CGSA | Corona Girls Softball Association |
| CGWA | Colorado Ground Water Association |
| CGWA | Columbia Gorge Winegrowers Association |
| CGWA | Cotton Growers Warehouse Association |
| CHA | Catholic Health Association |
| CHA | Christ Hospital Association |
| CHA | Craft Hobby Association |
| CHA | Crafting and Hobby Association |
| CHA | Crafts and Hobby Association |
| CHAA | Coastal Homeschool Athletic Association |
| ChALPA | China Airline Pilot Association |
| CHAM | Container Haulier Association of Malaysia |
| CHAND | Comprehensive Health Association of North Dakota |
| CHAS | Community Health Association of Spokane |
| CHASA | Children's Hemiplegia and Stroke Association |
| CHASE | Cash Holding Association Specializing In Elves |
| CHBA | Canadian Home Builders' Association |
| CHCA | Chicago Hotel Concierge Association |
| CHCA | Colorado Health Care Association |