| Abbreviation | Definition |
|---|---|
| ALAO | Associazione Lombarda Amatori Orchidee |
| ALAP | Academy of Literary Arts and Publishing |
| ALAP | Adirondack Lake Assessment Program |
| ALAP | Alliance of Los Angeles Playwrights |
| ALAP | As Late As Possible |
| ALAP | As Low As Possible |
| ALAR | Approach and Landing Accident Reduction |
| ALARA | A Always Lower And Reduced Again |
| ALARA | As Long As Reasonably Allowed |
| ALARA | As Low As Resonably Achievable |
| ALARA | As Low As Responsibly Acceptable |
| ALARM | A Logical Alarm Reduction Mechanism |
| ALARM | Air Launched Anti Radiation Missile |
| ALARP | As Low As Reasonable Practical |
| ALARP | As Low as Reasonably Possible |
| ALARP | As low as Reseanably Practicable |
| ALAS | Academic Leads To Achieving Success |
| ALAS | Accident Location And Analysis System |
| ALAS | Advancing Latinx Achievement and Success |
| ALAS | Airspace Localization and Avoidance System |