| Post: | Deputy Chief of Staff for Operations |
| Body: | the United States Air Force |
| Insignia: | Headquarters US Air Force Badge.png |
| Insigniacaption: | Headquarters Air Force Identification Badge |
| Flag: | Flag of a United States Air Force lieutenant general.svg |
| Flagborder: | yes |
| Flagcaption: | Flag of an Air Force lieutenant general |
| Incumbent: | Lieutenant General Adrian Spain |
| Incumbentsince: | 19 December 2023 |
| Department: | United States Air Force |
| Abbreviation: | A3 |
| Appointer: | The President |
| Appointer Qualified: | with Senate advice and consent |
| Formation: | 1 July 1957 |
| First: | John K. Gerhart |
| Deputy: | Assistant Deputy Chief of Staff for Operations of the United States Air Force |
The Deputy Chief of Staff for Operations of the United States Air Force is a position in the United States Air Force tasked with the development and implementation of policy directly supporting global operations, force management, weather, training and readiness across air, space and cyber fields. Commonly referred to as the A3, it is held by a lieutenant general who serves as the operations deputy to the Chief of Staff of the United States Air Force. The position is one of ten senior positions in the Headquarters of the U.S. Air Force. As such, the officeholder of this position serves in the Air Staff.[1]