| Acronym | Definition |
|---|
| DDPI➣Direction du Dirigeant Principal de l'Information (French: Chief Information Officer; Canada) |
| DDPI➣Deputy Director of Public Instruction (India) |
| DDPI➣Dyadic Developmental Psychotherapy Institute (Annville, PA) |
| DDPI➣Developmental Disabilities Planning Institute (Newark, NJ) |
| DDPI➣Delta Dental Plan of Illinois (insurance) |
| DDPI➣Delta Dental Plan of Iowa (insurance) |
| DDPI➣Deep Draft Power Intensive (ship) |