HAPL
| Acronym | Definition |
|---|---|
| HAPL | High Average Power Laser Program (USA) |
| HAPL | High Altitude Power Loss (aviation) |
| HAPL | Huntley Area Public Library (Huntley, IL) |
| HAPL | Hazleton Area Public Library (Hazleton, PA) |
| HAPL | HIV/AIDS Policy and Law Newsletter (Canada) |
| HAPL | Hatsun Agro Products Ltd. |