| ADDI | Accumulated Deemed Distributed Income 
| Others |
| ADDI | Adaptive Delivery Driven Intelligence
| Others |
| ADDI | African Diaspora Development Institute
| Others |
| ADDI | American Dream Downpayment Initiative
| Others |
| ADDI | Analysis Design Development Implementation
| Others |
| ADDI | Application Discovery and Delivery Intelligence
| Others |
| ADDI | Arizona Dream Downpayment Initiative
| Others |
| ADDI | Assistant District Director For Investigations
| Others |
| ADDI | Assistant District Director Investigations
| Others |
| ADDI | Attention Deficit Disorder Individual
| Others |
| ADDI | Automated Digital Data Interchange
| Others |