| SAD | Standard American Diet 
| Others |
| SAD | Stone Age Designs
| Others |
| SAD | Stoned And Drugged
| Others |
| SAD | Stoupa Addiction Disorder
| Others |
| SAD | Strategic Accelerator Design
| Others |
| SAD | Stress Anxiety and Depression
| Others |
| SAD | Stress, Anxiety, and Depression
| Others |
| SAD | Stroke And Distance
| Others |
| SAD | Strosek Auto Design
| Others |
| SAD | Students Affairs Department
| Others |
| SAD | Students Against Discrimination
| Others |
| SAD | Subacromial decompression
| Others |
| SAD | Suicidal And Depressed
| Others |
| SAD | Sum of Absolute Differences
| Others |
| SAD | Summons Alert Days
| Others |
| SAD | Suppen Ale Doon
| Others |
| SAD | Supplementary Alteration Drawing
| Others |
| SAD | Supply Action Date
| Others |
| SAD | Supply Air Damper
| Others |
| SAD | Supply Air Diffuser
| Others |
| SAD | Supply Air Duct
| Others |
| SAD | Surprise And Delight
| Others |
| SAD | Swallow Arrival Day
| Others |
| SAD | Swimming Animals Depressed
| Others |
| SAD | Swinford Anxiety Disorder
| Others |
| SAD | System Allocation Document
| Others |
| SAD | System Analysis and Design
| Others |
| SAD | Systems Allocation Document
| Others |
| SAD | Systems Analysis and Design
| Others |
| SAD | ugar-acetone-diacetic acid test
| Others |
| SAD1 | Special Artificier (special Devices) Petty Officer 1st Class
| Others |
| SAD2 | Special Artificer (special Devices) 2nd Class Petty Officer
| Others |
| SAD3 | Special Artificer (special Devices) 3rd Class Petty Officer
| Others |
| SADA | Sacramento Area Dance Alliance
| Others |
| SADA | San Antonio Development Authority
| Others |
| SADA | Savanah Accelerated Development Authority
| Others |
| SADA | Savannah Accelerated Development Authority
| Others |
| SADA | School Of Art Design and Architecture
| Others |
| SADA | Seasonal Affective Disorder Association
| Others |
| SADA | Seattle Art Dealers Association
| Others |
| SADA | Select Agent Distribution Activity
| Others |
| SADA | Senior Assistant District Attorney
| Others |
| SADA | Sindacato Autonomo Dipendenti ANAS
| Others |
| SADA | Social Awareness and Development Association
| Others |
| SADA | Societe Africaine de Distribution Automobile
| Others |
| SADA | Societe Alenconnaise Distribution Auto
| Others |
| SADA | Societe Angevine Distribution Automobile
| Others |
| SADA | Solar Array Drive Assembly
| Others |
| SADA | South African Data Archive
| Others |
| SADA | South African Debt Advisors
| Others |