| SBEM | Simplified Building Energy Model |
| SBR | Straight Before Radius |
| SBSA | Server Base System Architecture |
| SC | Square Connector |
| SCAPE | Systems Components Architectural Products and Environments |
| SCAU | Société de conception d'architecture et d'urbanisme |
| SCEA | Sun Certified Enterprise Architect |
| SCIP | Structural Concrete Insulated Panel |
| SCRD | Standard Construction Requirements and Details |
| SCRN | Screen |
| SD | Schematic Design |
| SD | Sketch Dimension |
| SD | Smoke Detector |
| SD | Sun Deck |
| SD | Specification & Description |
| SD | Side Door |
| SDA | Synthesis Design Architecture |
| SDMA | Secure Data Movement Architecture |
| SDOAM | Software Defined Open Architecture Modem |
| SEC | Security |