| Acronym | Definition |
|---|
| DCIA | Debt Collection Improvement Act |
| DCIA | Distributed Computing Industry Association (international trade organization) |
| DCIA | Director of the Central Intelligence Agency |
| DCIA | Directly Connected Impervious Area (water management; various locations) |
| DCIA | Durham Congregations in Action (Durham, NC) |
| DCIA | Deep Circumflex Iliac Artery (pelvis) |
| DCIA | Droit Comparé et International des Affaires (French: Comparative Law and International Affairs) |
| DCIA | Dependent Converging Instrument Approach (air traffic control procedure) |
| DCIA | Diploma in Computerised Industrial Accounting (India) |