| Acronym | Definition |
|---|
| FDDA | Four-Dimensional Data Assimilation |
| FDDA | Fast Dynamic Data Authentication (payment security) |
| FDDA | Frédéric Debarge Distribution Automatique (French vending company) |
| FDDA | Florida Detroit Diesel-Allison, Inc. |
| FDDA | Framework for the Demonstration of Distributed Algorithms |
| FDDA | Fonds Dynamique de Développement Agricole (French: Dynamic Agricultural Development Funds) |
| FDDA | Florida Directional Drilling Association |
| FDDA | Fremantle and Districts Dart Association |
| FDDA | Foothills District Dietetic Association (North Carolina) |
| FDDA | Fixed Disk and Diskette Adapter |