English abbreviations from aid to aiff
- AID (U.S. Agency for International Development)
- AIDA (Appreciative Inquiry Development Activities)
- AIDATS (Army Inflight Data Transmission System)
- AIDC (Automatic Identification and Data Capture)
- AIDE (Advanced Intrusion Detection Equipment)
- AIDES (Analysis Intelligence Display and Exploitation System)
- AIDG (Advanced Integrated Drying and Gasification)
- AIDS (Aircraft Integrated Data System)
- AIDU (Associazione Italiana Docenti Universitari)
- AIE (Aiome Airport)
- AIEEE (All India Engineering Entrance Examination)
- AIEF (American Israel Education Foundation)
- AIESEC (Association Internationale des Etudiants en Sciences Economiques et Commerciales)
- AIF (Australian Imperial Force (Australia, WWI))
- AIFA (AAFES (Army and Air Force Exchange Service) Imprest Fund Activity)
- AIFF (Audio Interchange File Format)
