| Acronym | Definition |
|---|
| IDCA➣International Data Center Authority (standardization) |
| IDCA➣I Don't Care Anymore |
| IDCA➣I Don't Care About |
| IDCA➣Industrial Design Council of Australia (est. 1958) |
| IDCA➣International Digestive Cancer Alliance |
| IDCA➣International Design Conference in Aspen (Aspen, CO) |
| IDCA➣Infiltrating Ductal Carcinoma (breast cancer) |
| IDCA➣Indian Diamond Colorstone Association (jewelry industry) |
| IDCA➣Integrated Detector/Cooler Assembly (Apache helicopter system) |
| IDCA➣Islamic Dawah Centre of Australia |
| IDCA➣International Development Corporation Agency |
| IDCA➣Intermountain Data Center Association |
| IDCA➣Indecent Displays Control Act (UK) |
| IDCA➣Inchberry & District Community Association (UK) |