| Acronym | Definition |
|---|
| ECCA | European Cable Communications Association |
| ECCA | European Coil Coating Association (est. 1967) |
| ECCA | European Cervical Cancer Association |
| ECCA | Eye Care Centers of America, Inc. (San Antonio, TX) |
| ECCA | Endometriosis Care Centre of Australia (est. 1998) |
| ECCA | European Cable Communication Association |
| ECCA | Electronic Cigarette Consumer Association (UK) |
| ECCA | Entente Cormatinoise Commerciale et Artisanale de Cormatin (French: Commercial and Artisanal Agreement Cormatin; Cormatin, France) |
| ECCA | European Car Club of Australia |
| ECCA | Enhanced Control-Flow Checking Using Assertions (engineering) |
| ECCA | Escadron de Communication et de Contrôle Aérien (French: Communication Squadron and Air Traffic Control; Canada) |
| ECCA | East Caribbean Currency Authority |
| ECCA | European Call Centre Awards (UK) |
| ECCA | Electromagnetically Coupled Curl Antenna |
| ECCA | English Community Association (UK) |