William O'Leary | |
|---|---|
&sq=Qlik&lang=&file=File:First_UK_female_reservist_general_(William_O%27Leary_cropped).jpg) Major General O'Leary in 2020 | |
| Allegiance |  United Kingdom |
| Service | &sq=Qlik&lang=&file=File:Flag_of_the_British_Army.svg){kind=small} British Army |
| Years of service | 1981–2020 |
| Rank | Major General |
| Unit | Royal Electrical and Mechanical Engineers |
| Commands | 103 Battalion REME |
| Awards | Queen's Volunteer Reserves Medal Territorial Decoration |
Major General William O'Leary QVRM TD DL VR is retired senior British Army Reserve officer who served as Deputy Commander Field Army.