DDP explained

DDP may refer to:

Commerce

Datagram Delivery Protocol, a networking protocol in the AppleTalk suite
DDP-316, family of minicomputer systems, including DDP-116, DDP-516, DDP-716.
Differential dynamic programming, a second-order algorithm for trajectory optimization
Digital DawgPound, a hacker group
Disc Description Protocol, a generic disc image file format
Distributed Data Processing, a 1970s term referring to one of IBM's combined offerings
Distributed Data Protocol, a client-server protocol for querying and updating a database
Dolby Digital Plus, a multichannel audio compression technology

Deafness dystonia polypeptide, a protein/gene also known as TIMM8A
DNA Doe Project, a non-profit, volunteer group that identifies John and Jane Does using genetic genealogy techniques
Dyadic developmental psychotherapy, for children with serious emotional disorders

Deutsche Demokratische Partei (German Democratic Party), a 1918–1930 political party in the German Weimar Republic
Deputy Director for Plans, former name of the Deputy Director of CIA for Operations
Direct Democracy Party of New Zealand, a 2005–2009 political party
Doordarshi Party, a 1980–1997 Indian political party

Diamond Dallas Page, a professional wrestler
Disney Dining Plan, a meal package for Walt Disney World hotel guests
Doctors for Disaster Preparedness, a non-profit organization on fringe-science topics, mainly advocating global warming denial
DoDonPachi, a 1997 video game
Dominicans Don't Play, a New York-based street gang of Latino youths whose heritage is traced to the Dominican Republic
Dongdaemun Design Plaza, a Seoul landmark
Dricus du Plessis, a South African professional mixed martial artist
Dublin Death Patrol, an American thrash metal band
Dudley Port railway station (station code), in Tipton, England, United Kingdom