Robert O'Brien | |
|---|---|
| Allegiance | United Kingdom |
| Service | Royal Air Force |
| Years of service | 1963–98 |
| Rank | Air vice-marshal |
| Commands | Air Secretary (1994–98) Joint Service Defence College (1992–94) |
| Awards | Companion of the Order of the Bath Officer of the Order of the British Empire |
Air Vice Marshal Robert P. O'Brien, CB, OBE is a former senior commander in the Royal Air Force who served as Air Secretary from 1994 until his retirement in 1998.