- ADPI stands for American Dairy Products Institute
- ADPI stands for Analog Devices (Philippines) Inc
- ADPI stands for Alpha Delta Pi Sorority
- ADPI stands for Advanced Data Processing, Inc. (various locations)
- ADPI stands for Australian Dance Performance Institute (Brisbane, QLD, Australia)
- ADPi stands for Aéroports de Paris International
- ADPI stands for Air Diffuser Performance Index
- ADPI stands for Air Distribution Performance Index
- ADPI stands for Assistant Director of Public Information
ADPI