- ADEP stands for Adobe Digital Enterprise Platform (software)
- ADEP stands for Association for the Development of Earthquake Prediction (Japan)
- ADEP stands for Association d’Entraide des Polios et Handicapés
- ADEP stands for Alcohol and Drug Education Program (various organizations)
- ADEP stands for Accelerated Degree Evening Program
- ADEP stands for Aerodrome of Departure (air traffic)
- ADEP stands for Awaiting Development with Exploration Potential (energy production)
- ADEP stands for Accelerator-Driven Energy Production
- ADEP stands for Avionics Document for Execution & Planning
ADEP