| Abbreviation | Definition |
|---|---|
| ALMA | Art Language Music Alliance |
| ALMO | Automation Language for Managing Operations |
| ALP | American Language Program |
| ALPA | Assembly Language Programming Assistant |
| ALPD | Aviation Language Proficiency Demonstration |
| ALPI | Alternate Language Proficiency Instrument |
| ALPIN | Austrian Language Polarity In News |
| ALPP | Alutiiq Language Preservation Program |
| ALR | Automated Literature Request |
| ALRT | Advanced Language Response Team |
| ALSA | Alps Language Service Association |
| ALSI | Advanced Language Systems International |
| ALSP | Association of Language Service Providers |
| ALTA | Asymmetric Language Trend Analysis |
| ALTC | Advanced Language and Training Center |
| ALTD | Arabic Language Through Dialogue |
| ALTE | Association of Language Testers in |
| ALTE | Association of Language Testers in Europe |
| ALTEC | Anderson Language Technology Center |
| ALTO | Assocation of Language Travel Organisations |