| AIS(S) | Abbreviated Injury Severity Scale 
| Others |
| AISS | Academy for Integrated Systems Solutions
| Others |
| AISS | ACER International Student Scholarship
| Others |
| AISS | Achievement Institute of Scientific Studies
| Others |
| AISS | Activating Inclusive Sound Spaces
| Others |
| AISS | Acxiom Information Security Services
| Others |
| AISS | Advanced Intersection Safety System
| Others |
| AISS | Afghan Institute for Strategic Studies
| Others |
| AISS | After Incarceration Support Systems
| Others |
| AISS | Ahmad Ibrahim Secondary School
| Others |
| AISS | Air Intelligence Service Squadron
| Others |
| AISS | American Indian Services Scholarship
| Others |
| AISS | American Indian Student Services
| Others |
| AISS | Amsterdam Institute of Sport Science
| Others |
| AISS | Antarctic Integrated System Science
| Others |
| AISS | Applied Integrity Security Services
| Others |
| AISS | Apprenticeships Info Self Service
| Others |
| AISS | Arnett Inventory of Sensation Seeking
| Others |
| AISS | Asbestos in Soils Scheme
| Others |
| AISS | Ashland Institute For Strategic Studies
| Others |
| AISS | Associazione Italiana Studi Semiotici
| Others |
| AISS | Australian International School in Singapore
| Others |
| AISS | Australian International School Singapore
| Others |
| AISS | Avira Internet Security Suite
| Others |