| Abbreviation | Definition |
|---|---|
| ALFS | Alleged Lunatics' Friend Society |
| ALGS | Abbots Langley Gardening Society |
| ALI | Asociacin de Doctores, Licenciados e Ingenieros en Informtica |
| ALI | Asociación de Doctores, Licenciados e Ingenieros en Informática |
| ALI | Association Luxembourgeoise des Ingénieurs |
| ALI | Association Luxembourgeoise des Ingnieurs |
| ALI | Association of Doctors, Graduates and Engineers in Informatics |
| ALI | Association of Engineers, Luxembourg |
| ALLEA | All European Academies |
| ALLSA | Allergy Society of South Africa |
| ALMS | Alberta Lake Management Society |
| ALOS | Austrian Lingual Orthodontic Society |
| ALPSP | Association of Learned and Professional Society Publishers |
| ALPSP | Association of Learned Professional Society Publishers |
| ALR | Accademia Lancisiana di Roma |
| ALR | Lancisian Academy of Rome |
| ALRS | Ashover Light Railway Society |
| ALS | Académie Lorraine des Sciences |
| ALS | Academy of Leisure Sciences |
| ALS | Acadmie Lorraine des Sciences |