| Abbreviation | Definition |
|---|---|
| APPB | Acta Physica Polonica B |
| APPB | Adolescent Pregnancy Prevention Branch |
| APPB | American Pecan Promotion Board |
| APPB | Assisted Positive Pressure Breathing |
| APPB | Association Professionnelle de Psychologie Biodynamique |
| APPB | Atlas of Plant Pathogenic Bacteria |
| APPC | Advanced Program to Program Communication |
| APPC | Advanced Program to Program Communications |
| APPC | AmeriCorps Partnering to Protect Children |
| APPC | Andhra Pradesh Productivity Council |
| APPC | Annenberg Public Policy Center |
| APPC | Associação do Porto de Paralisia Cerebral |
| APPC | Associate Professor Promotions Committee |
| APPC | Association of Professional Political Consultants |
| APPD | Amazon Prime Prime Day |
| APPD | AMEDD Personnel Proponency Directorate |
| APPD | AMEDD Personnel Proponent Directorate |
| APPD | Anarchistische Pogo Partei Deutschlands |
| APPE | Adobe PDF Print Engine |
| APPE | Advanced Packet Parsing Engine |