| APPI | ACEs Public Private Initiative 
| Others |
| APPI | Act on Protection of Personal Information
| Others |
| APPI | Act on the Protection of Personal Information
| Others |
| APPI | Adolescent Pregnancy Prevention Initiative
| Others |
| APPI | Advanced Peer to Peer Internetworking
| Others |
| APPI | Advanced Peer-to-Peer Internetworking
| Others |
| APPI | Advanced Plant Pharmaceuticals Incorporated
| Others |
| APPI | Advanced Program to Program Internetworking
| Others |
| APPI | Aero Precision Products Inc
| Others |
| APPI | Alberta Professional Planners Institute
| Others |
| APPI | American Psychiatric Press Inc
| Others |
| APPI | American Psychiatric Publishing, Inc.
| Others |
| APPI | American Public Philosophy Institute
| Others |
| APPI | Animal Protein Producers Industry
| Others |
| APPI | Architectural Panel Products Inc
| Others |
| APPI | Asian Petroleum Price Index
| Others |
| APPI | Asosiasi Pengacara Pengadaan Indonesia
| Others |
| APPI | Asosiasi Perusahaan Pembiayaan Indonesia
| Others |
| APPI | Asosiasi Produsen Pupuk Indonesia
| Others |
| APPI | Associated Press Printer Interface
| Others |
| APPI | Associated Printing Productions Inc
| Others |
| APPI | Association for Psychoanalysis and Psychotherapy in
| Others |
| APPI | Association of Paragliding Pilots and Instructors
| Others |
| APPI | Association of Physiologists and Pharmacologists of India
| Others |
| APPI | Association Of Practicing Pathologists India
| Others |
| APPI | Atlantic Precision Products, Inc.
| Others |
| APPI | Atmospheric Pressure Photo-Ionization
| Others |
| APPI | Austrailian Physiotherapy Pilates Institute
| Others |
| APPI | Australian Physiotherapy and Pilates Institute
| Others |
| APPI | Australian Physiotherapy Pilates Institute
| Others |
| APPI | Australian Pulp and Paper Institute
| Others |