| Post: | Vice Chief of Staff |
| Body: | the Air Force |
| Insignia: | File:Headquarters US Air Force Badge.png |
| Insigniacaption: | Headquarters Air Force Identification Badge |
| Flag: | Flag of the Vice Chief of Staff of the Air Force.svg |
| Flagborder: | yes |
| Flagcaption: | Vice Chief of Staff of the Air Force flag |
| Incumbent: | General James C. Slife |
| Incumbentsince: | 19 December 2023 |
| Department: | United States Air Force Air Staff |
| Abbreviation: | VCSAF |
| Reports To: | Secretary of the Air Force |
| Seat: | The Pentagon, Arlington County, Virginia, United States |
| Appointer: | The President |
| Appointer Qualified: | with Senate advice and consent |
| Termlength: | 4 years fixed term |
| Formation: | 1 October 1947 |
| First: | Hoyt Vandenberg |
The vice chief of staff of the Air Force (VCSAF) is the second-highest-ranking military officer in the United States Air Force. If the chief of staff of the Air Force (CSAF) is absent or is unable to perform his duties, then the VCSAF assumes the duties and responsibilities of the CSAF. The VCSAF may also perform other duties that the secretary of defense (SECDEF), the secretary of the Air Force (SECAF) or the CSAF assigns to him. The VCSAF is appointed by the president of the United States and must be confirmed via majority vote by the Senate.[1] By statute, the VCSAF is appointed as a four-star general.
General James C. Slife has served as the vice chief of staff of the Air Force since 19 December 2023.[2]