- YDP stands for Youth Development Program (various locations)
- YDP stands for Young Digital Planet (Gdansk, Poland)
- YDP stands for Youth Development Project
- YDP stands for Yuma Desalting Plant (Arizona)
- YDP stands for Yorkshire Decorative Plasterers (UK)
- YDP stands for Young Design Programme (UK)
- YDP stands for Yellow Dog Party (Joe Clay studio)
- YDP stands for Your Digital Presence
- YDP stands for Yeniden Dogus Partisi (Turkish: Renaissance Party; political party; Turkey)
- YDP stands for Your Doctor Program
- YDP stands for Year Development Plan
- YDP stands for Yok Don National Park
YDP