| Acronym | Definition |
|---|
| SIACC | Solomon Islands Alliance for Change Coalition |
| SIACC | Southeast Iowa Antique Car Club |
| SIACC | Scottish Independent Association for Consumer Complaints |
| SIACC | Seventh International Anti-Corruption Conference |
| SIACC | South Iowa Area Crime Commission |
| SIACC | Salomon Islands Alliance for Change Coalition |
| SIACC | Southern Inland Area Consultative Committee (Australia) |
| SIACC | State Inter Agency Co-ordinating Committee |
| SIACC | Solomon Islands Advisory Committee on Climate |
| SIACC | San Ildefonso Active Chess Club |
| SIACC | Suffolk Inter Agency Communications Council |