| Abbreviation | Definition |
|---|---|
| AKMS | Arab Knowledge and Management Society |
| AKRSP | Agha Khan Rural Support Programme |
| ALA | American Library Association |
| ALA | American Livebearer Association |
| ALA | American Lung Association |
| ALAF | American Lung Association of Florida |
| ALAM | American Lung Association of Michigan |
| ALAO | American Lung Association of Ohio |
| ALAUS | American Latvian Association in the United States |
| ALAUSA | American Latvian Institute of the United States |
| ALBA | Abraham Lincoln Brigade Archives |
| ALC | Americans for Libraries Council |
| ALC | Annual Legislative Conference |
| ALCC | Arthur Lescow Community Center |
| ALCC | Arthur Lesow Community Center |
| ALCWF | American Legion Child Welfare Foundation |
| ALD | Animal Legal Defense |
| ALDF | American Lyme Disease Foundation |
| ALDF | Animal Legal Defense Fund |
| ALDF | Arid Lands Development Foundation |