SDB
SDB or sdb can stand for:
- Safe deposit box, a type of safe
- IATA code of Saldanha Bay Airport, South Africa
- Salesians of Don Bosco, a Roman Catholic religious order
- Schiller-Duval body, a pathologic finding pathognomonic for Endodermal sinus tumors (yolk sac tumors)
- Seventh Day Baptist, a Christian denomination
- Sir Donald Bradman, a world famous cricketer for Australia
- Sleep Disordered Breathing (Sleep Related Breathing Disorder), see Sleep and breathing
- GBU-39 Small Diameter Bomb or GBU-53/B, skinny precision-guided munition|guided bombs.
- Social Democratic League (Sociaal Democratische Bond), a Dutch socialist political party
- Society for Developmental Biology, a professional society of scientists and physicians
- UDBA#Structure (SDB), Yugoslavian secret police
- SDB (Strategicheskiy Dahl'niy Bombardirovshchik – strategic long-range bomber) Myasishchev M-4
- Douglas SBD Dauntless, an American dive-bomber from World War II
- Computing