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{{wiktionary|SID|Sid|sid|sid-}}
'''Sid''' or '''SID''' may refer to:

{{TOC right}}

==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 International|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
* [[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]].

== See also ==
* [[CID (disambiguation)]]
* [[SIDS (disambiguation)]]
* [[Syd (disambiguation)]]

{{Disambiguation|geo}}

SID - Revision history

2603:9001:4500:1C09:89A4:8E77:6768:A0C2: /* Entertainment */ This is a db page. There is no article by this title, it is redirecting to UFO (TV series) without an anchor. Rem.