| Acronym | Definition |
|---|
| APU➣Auxiliary Power Unit |
| APU➣Azusa Pacific University |
| APU➣Accelerated Processing Unit (microprocessors) |
| APU➣American Public University |
| APU➣Asia Pacific University (Japan) |
| APU➣Alaska Pacific University |
| APU➣Attached Processing Unit |
| APU➣anti Piracy Unit |
| APU➣Anglia Polytechnic University (Chelmsford) |
| APU➣Audio Processing Unit |
| APU➣Aichi Prefectural University (Japan) |
| APU➣Argentina, Paraguay and Uruguay |
| APU➣Atelier Populaire d'Urbanisme (French: Workshop of Urban People) |
| APU➣Anaheim Public Utilities (California) |
| APU➣Annual Payment Update |
| APU➣As Per Usual |
| APU➣Access Point Unit (wireless networking) |
| APU➣Artois Presse Université (French: Artois University Press) |
| APU➣Auxiliary Processing Unit |
| APU➣Armored Personnel Unit (The Matrix: Reloaded & Revolutions) |
| APU➣Ashton-Potter (USPS philately) |
| APU➣Associazione Proprietari Utenti (Italian: Owners Association Members) |
| APU➣Auxiliary Propulsion Unit |
| APU➣Afghan Partner Unit |
| APU➣Acid Purification Unit |
| APU➣Arithmetic Processing Unit |
| APU➣Army Postal Unit |
| APU➣Audio Playback Unit |
| APU➣Ambulatory Procedures Unit (medicine) |
| APU➣Agrophysical Units |
| APU➣Algebraic Programming Utilities |
| APU➣Active Processing Unit |
| APU➣Approved Procurement Unit (Australia) |
| APU➣Alternative Pipe Underdrain (construction) |
| APU➣Analog Patch Unit |
| APU➣Application Program Unit |
| APU➣Agent Pick Up |
| APU➣Aseptic Production Unit (hospital pharmacies) |
| APU➣Admission Planning Unit (hospital department) |
| APU➣Auto Phase Unit |