| Acronym | Definition |
|---|
| APK | Android Package Kit (installation file) |
| APK | Amplitude Phase Keying |
| APK | Admin Private Key |
| APK | Algemene Periodieke Keuring (Dutch) |
| APK | Alex P. Keaton |
| APK | American Parkour (parkour and free running company and online community) |
| APK | Activating Prior Knowledge (education) |
| APK | Associação Portuguesa de Kendo (Portueguese: Kendo Portuguese Association) |
| APK | Albion Portal Keep (Dark Age of Camelot MMORPG) |
| APK | Associação Portuguesa de Kyudo (Portuguese: Portuguese Association of Kyudo) |
| APK | Amplitude Phase-Shift Keying |
| APK | Advanced Power Kit (Premier Drums) |
| APK | Afrikaanse Protestante Kerk (Afrikaans Protestant Church) |
| APK | Association pour la Promotion de l'Enseignement de la Construction en Acier (French: Association for the Advancement of Teaching of Steel Construction) |
| APK | Antrasis Pasaulinis Karas (Lithuanian: The Second World War) |
| APK | Authenticated Public-Key (computer security) |
