Exercise Delawar

{{Hatnote|For the joint military operation launched during the Vietnam War, see Operation Delaware.}}

{{Infobox military operation

|name = Exercise Delawar

|partof = the Cold War

|subtitle =

|image =

|image_upright =

|alt =

|caption =

|scope =

|type = Military exercise

|location = Iran

|location2 = Persian Gulf

|coordinates =

|coordinates2 =

|map_type =

|map_size =

|map_caption =

|map_label =

|map_label2 =

|planned =

|planned_by = Central Treaty Organization (CENTO)

|commanded_by =

|objective =

|target =

|date = 12–15 April 1964

|time =

|time-begin =

|time-end =

|timezone =

|executed_by = Imperial Iranian Armed Forces
United States Armed Forces

|outcome =

|casualties =

|fatalities =

|injuries =

}}

Exercise Delawar ({{langx|fa|دلاور|lit=Courageous}}) was a joint military exercise in 1964 conducted by the United States and Iran under the auspices of the Central Treaty Organization (CENTO).{{cite press release|title=Cento Exercise "Delavar" Scheduled April 12-15|location=Ankara, Turkey|publisher=Central Treaty Organization|agency=Public Relations Division|date=17 March 1961}} It took place in southwest Iran.

Some 6,800 American military personnel from three military branches took part in this war game, including 2,300 paratroopers.{{citation|title=The United States Air Forces in Europe|magazine=Air Force Magazine|volume=47|publisher=Air Force Association|year=1964|page=91}} U.S. naval forces, as well as Marines were also deployed in the Persian Gulf and performed amphibious operations, supported by close-air-support of F-100s.

According to Čūbīn and Zabih, by this war game, Washington "partially reassured" Tehran of its continued interest in the region.{{citation|first1=Shahram|last1=Chubin|first2=Sepehr|last2=Zabih|title=The Foreign Relations of Iran: A Developing State in a Zone of Great Power Conflict|publisher=University of California Press|date=1974|isbn=9780520026834|page=2020}}