| Captain General of the Air Force | |
| Country: |  Spain |
| Abbreviation: | ACG |
| Rank Group: | Flag officer |
| Rank: | Captain general |
| Nato Rank: | OF-10 |
| Formation: | 7 October 1939 |
| Lower Rank: | General of the Air |
| Equivalents: | Captain general (Army) Captain general (Navy) |
Captain General of the Air Force (Spanish; Castilian: Capitán General del Aire or Spanish; Castilian: Capitán General del Ejército del Aire) is a five-star air force officer rank and the highest rank of the Spanish Air Force. The five-star NATO rank code is OF-10. The honorary appointments formally ceased in 1999. The rank of Air captain general is equivalent to a Marshal of the Air Force in many nations such as the United Kingdom, a general of the Air Force of the United States, a capitain general of the Spanish Army or the Navy. This rank is reserved to the monarch as Commander-in-chief. An Air captain general's insignia consists of two command sticks under five four-pointed stars below the Royal Crown and a golden string.
The Spanish Air Force as a separated branch of the Spanish Armed Forces was officially established on 7 October 1939, after the Spanish Civil War. Francisco Franco as head of Spanish state and commander-in-chief named himself 1st captain general of the Spanish Air Force. General Ángel Salas Larrazábal, a veteran fighter pilot, has been the only honorary Air captain general (1991-1994).
| Date of Promotion | class=unsortable | Image ! | Name | Dead/Retirement | class=unsortable | Notes |
|---|---|---|---|---|---|---|
| 7 October 1939 | Francisco Franco | † 20 November 1975 |
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| 20 November 1975[1] | Juan Carlos I | Active until 19 June 2014 (Abdication) |
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| 26 April 1991 | [2] | † 19 July 1994 | Ad honorem | |||
| 19 June 2014 | Felipe VI | Present |
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