| SAC | Single Attachment Concentrator 
| Others |
| SAC | Singleton Arc Consistency
| Others |
| SAC | Situation Action Consequence
| Others |
| SAC | Skoda Amical Club
| Others |
| SAC | Slope Area Computation
| Others |
| SAC | Slovak Antivirus Center
| Others |
| SAC | Small Agency Council
| Others |
| SAC | Small-Arms Club
| Others |
| SAC | Smart Air Controller
| Others |
| SAC | Smoothed Active Contour
| Others |
| SAC | Soaring Association of Canada
| Others |
| SAC | Soccer Association of Columbia
| Others |
| SAC | Social Action Club
| Others |
| SAC | Social Action Coordinator
| Others |
| SAC | Social Activities Club
| Others |
| SAC | Societe Automobile Choletaise
| Others |
| SAC | Societe Automobile du Cambresis
| Others |
| SAC | Society And Culture
| Others |
| SAC | Society of Arts and Crafts
| Others |
| SAC | Software Adaptive Cache
| Others |
| SAC | Software Assigned Controller
| Others |
| SAC | Software Audio Console
| Others |
| SAC | Solid Axle Conversions
| Others |
| SAC | Songwriters Association of Canada
| Others |
| SAC | Sooner Athletic Conference
| Others |
| SAC | Sound Absorption Coefficient
| Others |
| SAC | South American Crossing
| Others |
| SAC | South Asian Connection
| Others |
| SAC | South Atlantic Coast
| Others |
| SAC | South Atlantic Conference
| Others |
| SAC | Southern Air Command
| Others |
| SAC | Southern Arizona Corvettes
| Others |
| SAC | Southern Automotive Conference
| Others |
| SAC | Space Applications Centre
| Others |
| SAC | Special Access Code
| Others |
| SAC | Special Actions Cell
| Others |
| SAC | Special Administration Console
| Others |
| SAC | Special Agent in Charge
| Others |
| SAC | Special Analog Computer
| Others |
| SAC | Special Analysis Center
| Others |
| SAC | Special Area Code
| Others |
| SAC | Special Area of Conservation
| Others |
| SAC | Specialty Advisory Committee
| Others |
| SAC | Spectral Absortion Coefficient
| Others |
| SAC | Splinting for Acute Closure
| Others |
| SAC | Sports Activity Coupe
| Others |
| SAC | Sports Advisory Committee
| Others |
| SAC | St Aloysius College
| Others |
| SAC | St. Andrew's College
| Others |
| SAC | St. Andrew's College (Aurora, Ontario, Canada)
| Others |