| Acronym | Definition |
|---|
| SIAR➣Sids Initial Assessment Report |
| SIAR➣Stockholm International Arbitration Review (Juris Publishing) |
| SIAR➣Swiss Institute for Art Research (Zurich, Switzerland) |
| SIAR➣Saluran Informasi Akar Rumput (Indonesian: Grassroots Information Channel; broadcasting) |
| SIAR➣Step-In Assistant Referee (soccer) |
| SIAR➣Software Installation Audit Report |