| naam | geboren | overleden | leeftijd | e.v. | opmerking | aanduiding |
| T.J. O'Brien | | 12-10-1944 | | | gunner 77th regt. The Duke of Lancaster's Yeomanry | ID10 |
| P.J. O'Donnell | | 25-11-1944 | | | corporal Royal Signals | IIIF09 |
| J. O'Malley | | 14-10-1944 | | | private The South Lancashire Regiment | IIIC07 |
| F. O'Reilly | | 16-11-1944 | | | private The Queen's Own Cameron Highlanders | IIE12 |
| W. Ogilvie | | 25-09-1944 | | | wo.II csm The Gordon Highlanders | IVF05 |
| R. Oliver | | 05-11-1944 | | | fusilier The Royal Scots Fusiliers | VE03 |
| R. Ordell | | 03-02-1945 | | | flight lieutenant Royal Australian Air Force .DFC. | VIIA02 |
| I.R. Osborne | | 03-02-1945 | | | pilot officer Royal Australian Air Force | VIIA01 |
| T.H. Osborne | | 24-09-1944 | | | rifleman The Cameronians | IVB05 |
| K. Oswin | | 17-10-1944 | | | private The King's Shropshire Light Infantry | IA11 |