| SACT | Supplemental Annuity Collective Trust 
| Others |
| SACT | Supreme Allied Commander Transformation
| Others |
| SACT | Sydney algorithms and computing
| Others |
| SACT | Sydney Algorithms and Computing Theory
| Others |
| SACT | Systemic Anti Cancer Therapy
| Others |
| SACTA | South African Corporate Training Association
| Others |
| SACTA | South African Cultivar and Technology Agency
| Others |
| SACTA | South Australian Clay Target Association
| Others |
| SACTA | South Australian Community Transport Association
| Others |
| SACTC | San Antonio Classic Thunderbird Club
| Others |
| SACTI | South African Combi Taxi Industry
| Others |
| SACTO | Santiago Anti-Communist Treaty Organization
| Others |
| SACTRA | Standing Advisory Committee on Truck Road Assessment
| Others |
| SACU | San Antonio Credit Union
| Others |
| SACU | Scott Associates Credit Union
| Others |
| SACU | Scottish Auto Cycle Union
| Others |
| SACU | Sheboygan Area Credit Union
| Others |
| SACU | Single-Application Computer User
| Others |
| SACU | Society for Anglo Chinese Understanding
| Others |
| SACU | South Africa Customs Union
| Others |
| SACU | South African Customs Union
| Others |
| SACU | Southern Africa Customs Union
| Others |
| SACU | Southern African Community USA
| Others |
| SACU | Southern African Customs Union
| Others |
| SACU | Stabilization and Crisis Unit
| Others |
| SACU | Surgical Acute Care Unit
| Others |
| SACUA | South Australian Cricket Umpires And
| Others |
| SACV | Secondary Air Control Valve
| Others |
| SACV | Semi Autonomous Controlled Vehicle
| Others |
| SACV | Villa Maria D. Rio Seco, Argentina
| Others |
| SACVCOA | Sacramento Chapter of Volvo Club of America
| Others |
| SACWU | South African Chemical Workers Union
| Others |
| SACX | Secretary's Advisory Committee on Xenotransplantation
| Others |
| SACY | School Age Children and Youth
| Others |
| SACY | Sudbury Action Centre for Youth
| Others |
| SACY | Supporting And Connecting Youth
| Others |
| SACZ | South Atlantic Convergence Zone
| Others |
| SAD | Sadi S. p. A.
| Others |
| SAD | Safely Allowed Drop
| Others |
| SAD | Saints Absolutely Deceived
| Others |
| SAD | Sandawe
| Others |
| SAD | Sascha Alexander Dettweiler
| Others |
| SAD | School And Design
| Others |
| SAD | School of Architecture and Design
| Others |
| SAD | Science Art Design
| Others |
| SAD | Scientifically Aided Design
| Others |
| SAD | Season Affective Disorder
| Others |
| SAD | Seasonal Affecfive Disorder
| Others |
| SAD | Seasonal Affected Disorder
| Others |
| SAD | Seasonal affective
| Others |