SID
Sid or SID may refer to: == People == Sid (given name), includes a list of people with the name == Science and technology == Sound Interface Device: the MOS Technology 6581 sound-generating chip used in some Commodore computers Security Identifier, used by Microsoft Sid blood group system Saab Information Display in cars Slew-induced distortion, in an amplifier Source to image-receptor distance, in radiology Speed Indicator Device, a vehicle-activated illuminated sign Sudden ionospheric disturbance, caused by a solar flare Surface-induced dissociation, in mass spectrometry System identification number, in wireless telephony Source Identification codes, identifying marks on optical discs introduced by the International Federation of the Phonographic Industry mSin3 interaction domain, a transcriptional repressor domain .sid, MrSID image file extension Sid (Debian), the code name for the 'unstable' distribution of the operating system == Entertainment == Sid (band), a Japanese rock band Síd, a fairy mound in Irish folklore Superman Is Dead, or S.I.D., an Indonesian rock band Sid Vere, a fictional character from Doctors The given name of the Cookie Monster is Sid. == Transport == Standard instrument departure, flight procedure Amílcar Cabral International Airport, Sal Island, Cape Verde Sidcup railway station (National Rail station code), London, England == Organizations == Danish General Workers' Union, former trade union in Denmark Security and Intelligence Division, Singapore's foreign intelligence agency Servizio Informazioni Difesa, the Italian military secret service 1965-1977 Service for Research and Documentation, the Serbian intelligence agency Society for Information Display Society for International Development Sport-Informations-Dienst, German sports media service Special Investigations Division (disambiguation) == Places == Šid, Vojvodina, Serbia Šíd, village in Slovakia River Sid, in Devon, England == Other uses == Status–income disequilibrium, a political term Sports information director Self-identification or self-id Source Identification (SID) codes, a manufacturer identification method for optical disc production used by the International Federation of the Phonographic Industry.