| Acronym | Definition |
|---|
| ADDI➣American Dream Downpayment Initiative |
| ADDI➣Automated Digital Data Interchange |
| ADDI➣Association pour le Développement de la Domotique et de l'Immotique (French: Association for the Development of Home and Building Automation) |
| ADDI➣Assistant District Director for Investigations |
| ADDI➣Assistant Deputy Director for Intelligence |