| Acronym | Definition |
|---|
| SDB | Sleep-Disordered Breathing |
| SDB | Small Diameter Bomb |
| SDB | Salesians of Don Bosco (religious order) |
| SDB | Society for Developmental Biology |
| SDB | Safety Deposit Box |
| SDB | Savino del Bene (Italian logistics company) |
| SDB | Syndicat des Biologistes (French: Union of Biologists) |
| SDB | Service Dress Blue (Naval Uniform) |
| SDB | System Defense Boat (generic starship type; SFRPG Traveller) |
| SDB | Selective Directed Broadcast |
| SDB | Switched Digital Broadcast |
| SDB | Support Data Base |
| SDB | Sprite Database |
| SDB | Self-Defeating Behavior |
| SDB | Short Data Burst |
| SDB | Standards Development Board |
| SDB | Service Directive Bulletin |
| SDB | Serial Data Bus |
| SDB | Software Development Block (Infosys Technologies, Ltd.) |
| SDB | System Determined Blocksize (IBM mainframes) |
| SDB | Service Delivery Budget |
| SDB | Switched Digital Broadband |
| SDB | Sydney Dragon Blades |
| SDB | SATCOM Database (US DoD) |
| SDB | Small Dual Beam (electron microscope) |
| SDB | Simply da Best (gmaing clan) |
| SDB | Shallow Draft Barge (marine transport) |
| SDB | Storage and Data Brokering |
| SDB | Skill Development Base |
| SDB | Stefano de Blasio (kitchen retailer) |
| SDB | Systems Definition Branch |
| SDB | Speed Differential Blank |
| SDB | Self-Dual Binary (code) |
| SDB | Statistics Display Board |
| SDB | Strategic Direction Board |
| SDB | Systems Design Board |
| SDB | Shallow Draft Board (US NASA) |
| SDB | Secondary Data Bus |
| SDB | Sales Development Budget |
| SDB | Storfedatabank |
| SDB | Sarvodaya Development Bank (Sri Lanka) |
| SDB | Self-Directed Brokerage (investment account) |
| SDB | Salle de Bains (French: bathroom) |
| SDB | Small Disadvantaged Business |
| SDB | San Diego Ballet (San Diego, CA) |
| SDB | Seventh Day Baptist (est. 1671) |