DDP
- DDP-316
- DNA Doe Project
- Datagram Delivery Protocol
- Deafness dystonia polypeptide
- Delivered Duty Paid
- Deputy Director for Plans
- Deutsche Demokratische Partei
- Devil's Due Publishing
- Diamond Dallas Page
- Differential dynamic programming
- Digital DawgPound
- Direct Democracy Party of New Zealand
- Disability and Development Partners
- Disc Description Protocol
- Disney Dining Plan
- Distributed Data Processing
- Distributed Data Protocol
- DoDonPachi
- Doctors for Disaster Preparedness
- Dolby Digital Plus
- Dominicans Don't Play
- Dongdaemun Design Plaza
- Doordarshi Party
- Double Dragon Publishing
- Dricus du Plessis
- Dublin Death Patrol
- Dudley Port railway station
- Dyadic developmental psychotherapy