| Acronym | Definition |
|---|
| ATPL➣Airline Transport Pilot's Licence |
| ATPL➣Australian Training Products Ltd. (publishing company) |
| ATPL➣Acme Tele Power Limited (Haryana, India) |
| ATPL➣Associated Technocrats Pvt. Ltd. (est. 1989; India) |
| ATPL➣APG (Armstrong Process Group, Inc.) TOGAF (The Open Group Architecture Framework) Process Library |
| ATPL➣Aurora Town Public Library (Aurora, NY) |