| Post: | Chief |
| Body: | the Air Staff |
| Insignia: | Chief of Air Staff (Bangladesh) Insignia.svg |
| Insigniacaption: | Chief of Air Staff of emblem |
| Flag: | Air Force Ensign of Bangladesh.svg |
| Flagcaption: | Flag of the Bangladesh Air Force |
| Incumbent: | Air Chief Marshal Hasan Mahmood Khan |
| Incumbentsince: | 12 June 2024 |
| Type: | Air Force Service chief |
| Abbreviation: | COAS |
| Reports To: | Prime Minister Minister of Defence |
| Residence: | Air House |
| Seat: | Air Force Headquarters, Dhaka Cantonment, Dhaka, Bangladesh |
| Appointer: | The Prime Minister |
| Appointer Qualified: | with advice and consent of the President |
| Constituting Instrument: | Air Force Act, 1953 of (Act No. VI of 1953) |
| Formation: | 7 April 1972 |
| First: | Air Vice Marshal A. K. Khandker |
| Unofficial Names: | Chief of Air Force |
| Deputy: | Assistant Chief of Air Staff |
| Salary: | ৳ 100,000 Monthly (US$) ৳ 12,00,000 annually (US$) |
The Chief Of Air Staff (abbreviated as COAS) (Bengali: বিমান বাহিনী প্রধান|Bimāna bāhinī pradhāna) is the professional head and highest appointment of the Bangladesh Air Force.[1] Only pilots (officers from GDP branch) get this post. The appointment is held by a four-star air officer and the current COAS is Air Chief Marshal Hasan Mahmood Khan.[2] [3] [4] Prior to 2016, from 2007 the appointment was held by an Air Marshal (three-star air officer) and from 1972 to 2007 COAS's rank was Air Vice Marshal.[5] [6]