Gulfstream IV

===Government and military operators===
[[File:Gulfstream_IV_RNLAF.jpg|thumb|A Gulfstream IV of the [[Royal Netherlands Air Force]]]]
[[File:JASDF U-4 04.jpg|thumb|[[Japan Air Self-Defense Force]] U-4]]

{{BRU}}
* [[Sultan of Brunei]]<ref name="Professional Pilot Magazine">{{Cite web|url=http://jeteditor.com/tjsult.htm|title=jeteditor.com|website=ww38.jeteditor.com}}</ref>
;{{CHI}}
* [[Chilean Air Force]]<ref name="World Air Forces 2022">{{cite web |last = |first = |url= https://www.flightglobal.com/flight-international/how-afghanistans-fall-reshaped-world-air-forces-inventory/146576.article|title = World Air Forces 2022|publisher= Flightglobal Insight |year= 2022 |doi = |accessdate= 15 April 2022|url-access=registration}}</ref> 
;{{CIV}}
* [[Air Force of Ivory Coast|Côte d'Ivoire Air Force]]<ref>{{harvnb|Cooper|Weinert|Hinz|Lepko|2011|page=225}}</ref>
;{{JPN}}
* [[Japan Air Self-Defense Force]]<ref name="World Air Forces 2022"/> 
;{{MYS}}
* [[Sultan of Johor]]<ref name="Professional Pilot Magazine"/>
;{{NLD}}
* [[Royal Netherlands Air Force]]<ref>{{cite web |url=https://www.defensie.nl/organisatie/luchtmacht/materieel/vliegtuigen-en-helikopters/gulfstream-iv |title=Gulfstream IV |publisher=Netherlands Ministry of Defence |access-date=17 October 2019 |language=Dutch }}</ref>
;{{PAK}}
* [[Pakistan Air Force]]<ref>{{cite web | url=https://www.airliners.net/photo/Pakistan-Air-Force/Gulfstream-Aerospace-G-IV-Gulfstream-IV-SP/6744749?qsp=eJwtjbEOwjAQQ3%2BlupkNwdCtDKx04AdOFwuilia6Owmiqv9OUthsP8teSdLi%2BPi9ZFBPBlZ50oEyK7%2BM%2BpUmlHfSUDWNPEVzXrohandNKqhNS%2BqXUmlgxyCC7Aj//KYB2hBM9tFHOzk1CR1/7niuNkTLM%2B8rcI4zbdsXIKszaQ%3D%3D | title=Aviation Photo #6744749: Gulfstream Aerospace G-IV Gulfstream IV-SP - Pakistan - Air Force }}</ref> 
;{{SAU}}
* [[Royal Saudi Air Force]]<ref name="World Air Forces 2022"/>  
;{{SWE}}
* [[Swedish Air Force]]<ref name="World Air Forces 2022"/> 
;{{flag|Tanzania}}
* [[Tanzania Air Force Command]]<ref>{{harvnb|Cooper|Weinert|Hinz|Lepko|2011|page=232}}</ref>
;{{USA}}
* [[United States Air Force]]<ref name="World Air Forces 2022"/>  
* [[United States Army]]<ref name="World Air Forces 2022"/>   
* [[United States Navy]]<ref name="World Air Forces 2022"/>   
* [[United States Marine Corps]]<ref name="World Air Forces 2022"/>
* [[National Oceanic and Atmospheric Administration]]