ADDI
| 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 |