Aja viide. Aja lugu.

SDB or sdb may refer to:

Places

Air Force Base Langebaanweg (IATA airport code SDB), Western Cape, South Africa
Sandbach railway station (station code SDB), Sandbach, Cheshire, England, UK
Shahabad railway station (station code SDB), Kalaburagi, Karnataka, India
Sønderborg railway station (station code Sdb), Sønderborg, Southern Jutland, Denmark; see List of railway stations in Denmark

Sébastien de Brossard (1655–1739; musicology abbreviation: SdB), French composer and musician
S. D. B., post-nominal letters for members of the Salesians of Don Bosco Roman catholic order

Salesians of Don Bosco, a Roman Catholic religious order
School for the Deaf and Blind, Philippines; former name of the Philippine School for the Deaf
Seventh Day Baptist, a Christian denomination
Society for Developmental Biology
Special Design Bureau (Russian: особое конструкторское бюро, romanized: osoboye konstruktorskoye byuro, lit. 'special design bureau'; Russian: ОКБ, romanized: OKB, lit. 'SDB'), a type of Soviet bureau, a form of sharashka (Russian: шара́шка) R&D lab
Sukhoi Design Bureau, Soviet Union; an aircraft manufacturer
Surat Diamond Bourse, Surat, Gujarat, India; a diamond trading centre

Social Democratic League (SDB; Dutch: Sociaal Democratische Bond), a Dutch socialist political party
State Security Administration (SDB; Serbo-Croatian: Služba državne bezbednosti), Yugoslav secret police
Serbian State Security (SDB; Serbian: Srpska državna bezbednost), a WWII Serbian-collaborationist German-occupation bureau in charge of the Serbian State Guard (SDS; Serbian: Srpska državna straža)
State Security Service (SDB; Serbian: Srpski državne bezbednosti), Serbian secret police
Serbian State-Building Bloc (SDB; Serbian: Srpski državotvorni blok), a political coalition in Serbia

GBU-39 Small Diameter Bomb, guided bomb
GBU-53/B StormBreaker Small Diameter Bomb II (SDB II)
Service Dress Blue (SDB), a uniform of the United States Navy
Seaward Defence Boat
2 Special Service Battalion (2. SDB; Afrikaans: 2 Spesiale Diens Bataljon), South African Army
Myasishchev M-4, the Russian: стратегический дальный бомбардировщик, romanized: Strategicheskiy Dahl'niy Bombardirovshchik, lit. 'strategic long-range bomber' (Russian: СДБ, romanized: SDB)