| APHSAR |
Appraisal Panel for Human Suspected Adverse Reactions |
| API |
Aromatic PolyImide |
| API |
Atmospheric Pressure Ionization |
| API |
Application Programming Interface |
| API |
Active Pharmaceutical Ingredient |
| API |
American Petroleum Institute |
| API |
Affluent Parents Index |
| API |
Academic Performance Index |
| API |
Asset Priority Index |
| API |
Application Program Interface |
| API |
Addition - Reaction Polyamides |
| API |
Application Programmatic Interface |
| API |
Attachment Packet Interface |
| API |
Adobe Acrobat Plug-In |
| API |
Armor Piercing Incendiary |
| API |
Alternative Press Index |
| API |
Antecedent Precipitation Index |
| API |
Accountants for the Public Interest |
| API |
Acquisition Program Integration |
| API |
After Project Initiation |
| API |
Accountable Property Inventory |
| API |
Association of Private Investigators |
| API |
Arithmetic Processor Interface |
| API |
Academic Perofrmance Index |
| API |
Astral Projection Isle |
| API |
Athletes Performance Institute |
| APIA |
Association Polisportive Italo Australian |
| APIA |
Application Programmatic Interface Association |
| APIC |
Advance Programmable Interrupt Controller |
| APIC |
Advanced Programmable Interrupt Controller |
| APIC |
Active Pharmaceutical Ingredients Committee |
| APICS |
American Production And Inventory Control Society |
| APID |
Application Identification |
| APID |
Applications Process Identification |
| APIMS |
Atmospheric Pressure Ionization Mass Spectrometry |
| APIMS |
Aerospace Physiology Information Management System |
| APIMS |
Air Program Information Management System |
| APIPA |
Automatic Private Internet Protocol Addressing |
| APIS |
Advanced Passenger Information System |
| APIS |
Ace Production In Sports |
| APIS |
An automated palmprint recognition system |
| APJ |
Aerospace Power Journal |
| APJ |
Astrophysical Journal |
| APKD |
Adult Polycystic Kidney Disease |
| APKD |
Adult-onset Polycystic Kidney Disease |
| APKI |
Architecture for Public Key Infrastructure |
| APKS |
All Pairwise Key Scheme |
| APL |
Above poverty line |
| APL |
Advanced Physics Laboratory |
| APL |
Acute Promyelocytic Leukemia |