| O'Brien, Raymond | 1065692 | Flight Sergeant (Engineer) | 83 Sqdn, Royal Air Force (Volunteer Reserve). |
| O'Connell, Patrick Joseph | 3385951 | Private | 2nd Battalion, East Lancashire Regiment. |
| Oddie, Thomas | 3388807 | Private | 1st Battalion, East Lancashire Regiment. |
| Ogden, Richard K | T/180612 | Driver | 22nd Armd Bde (West Africa), R A S C |
| Oldroyd, Norman | 7380273 | L/Corporal | 198 Field Ambulance, R A M C |
| O'Leary, Harry Wormwell | 114853 | Gunner | 25 Medium Regiment, Royal Artillery |
| Ormerod, Richard | 14738645 | Private | Pioneer Corps |
| O'Sullivan, Denis | 1559799 | Gunner | 106 Lt AA Regiment (Lancashire Hussars), Royal Artillery |
| Otton, Edwin Frederick | 1567798 | Bombardier | 28 Medium Regiment, Royal Artillery |
| Owen, William | 3551987 | Private | 2nd Battalion, Border Regiment. |
| Owens, Eric Wilson | 407837 | Corporal | 3rd Carabiniers Dragoon Guards (R A C). |