| Acronym | Definition |
|---|
| KCA | Kids' Choice Awards (Nickelodeon) |
| KCA | Klein Chemisch Afval (Dutch: Small Hazardous Waste) |
| KCA | Keep a Child Alive (Brooklyn, NY) |
| KCA | Kenwood Car Audio (accessories) |
| KCA | Kidney Cancer Association (since 1990; Evanston, Illinois) |
| KCA | Kentucky Counseling Association |
| KCA | Kentucky Center for the Arts |
| KCA | Kentucky Coal Association |
| KCA | Knowledge Commercialisation Australasia (Australia) |
| KCA | Kenya Cricket Association |
| KCA | Keeshond Club of America |
| KCA | Knock Correction Advance (automobiles) |
| KCA | Kappes, Cassiday & Associates (Reno, NV) |
| KCA | Knight Capital Americas (various locations) |
| KCA | Kansas Chiropractic Association |
| KCA | Keon Certificate Authority (RSA) |
| KCA | Klawock Cooperative Association (Indian tribe) |
| KCA | Kingston Construction Association (Canada) |
| KCA | Kansas Canoe Association |
| KCA | Kansas Counseling Association |
| KCA | Key Competency Area (job description) |
| KCA | Kodály Center of America |
| KCA | Kosovo Chamber of Advocates |
| KCA | Kent Cycling Association (UK) |
| KCA | Kansas Chess Association |
| KCA | Kensington Culinary Arts (Pennsylvania) |
| KCA | Kentucky Coal Academy |