| APIS | Ace Production In Sports 
| Others |
| APIS | Adaptive Programmable Interface Unit
| Others |
| APIS | Advance Passenger Information System
| Others |
| APIS | Advanced Papyrological Information System
| Others |
| APIS | Advanced Passenger Information System
| Others |
| APIS | Advanced Personalization For Information Services
| Others |
| APIS | Air Pollution Information System
| Others |
| APIS | Alcohol Policy Information System
| Others |
| APIS | Alternative Photography International Symposium
| Others |
| APIS | Analyses And Programming Information Systems
| Others |
| APIs | Announcements in the public interest
| Others |
| APIS | Antarctica Pack Ice Seals
| Others |
| APIs | Application Programming Interfaces
| Others |
| APIS | Approved Production Inspection System
| Others |
| APIS | Aquatic Plant Information System
| Others |
| APIS | Arbeitsdatei PIOS Innere Sicherheit
| Others |
| APIS | Association for Philosophy In Schools
| Others |