| Person # | Last Name | First Name | Initials | Rank | Year |
|---|---|---|---|---|---|
| 19486 | O'Shea | Christopher Joseph | C J | Private | 1918 |
| 19487 | O'Shea | Harry Arthur | H A | Lieutenant | 1918 |
| 45385 | O' Reilly | Francois Hector | F H | Burgher | 1899 |
| 45384 | O' Reilly | William Hedding | W H | Burgher | 1901 |
| 49251 | O'Brien | John | J | Rifleman | 1979 |
| 49088 | O'Reilly | P.m. | P | Lance Corporal | 1976 |
| 19166 | Oakes | Alexander Montague | A M | Private | 1915 |
| 19167 | Oakes | Allan George Tufnell | A G T | Lieutenant | 1943 |
| 19168 | Oakes | Kenneth Tufnell | K T | Lieutenant | 1945 |
| 19169 | Oakley | Herbert Harry | H H | Lieutenant | 1944 |
| 32349 | Oarum | Sakhile Obed | J | Rifleman | 1980 |
| 19170 | Oates | Edward Llewellyn | E L | Staff Sergeant | 1942 |
| 19171 | Oates | Hilton Edgar | H E | Pupil Pilot | 1941 |
| 19172 | Oates | John Gerald Beveridge | J G B | Master | 1945 |
| 19173 | Oates | Joshua Laurence | J L | Sub-Lieutenant | 1916 |
| 19174 | Oates | Leonard John | L J | Lieutenant | 1943 |
| 19175 | Oates | Reginald John Stafford | R J S | Rifleman | 1915 |
| 32350 | Oates | Ronald Kitchener | R K | Pupil Pilot | 1937 |
| 39749 | Oates | Taylor | T | Private | 1927 |
| 45466 | Oates | Thomas (Tom) | T ( | Burgher | 1899 |
| 40990 | Oates | Thomas Herbert Beveridge | T H B | Lieutenant | 1941 |
| 19176 | Oats | Fred | F | Private | 1918 |
| 32351 | Obbes | Gideon M F | G M F | Trooper | 1975 |
| 45465 | Oberholster | A.j. | A | Burgher | 1900 |
| 19185 | Oberholzer | W C | Private | 1918 | |
| 19177 | Oberholzer | Albertus Petrus Johannes | A P J | Corporal | 1940 |
| 32352 | Oberholzer | Antonie | A | Corporal | 1980 |
| 45464 | Oberholzer | Arie Gerhardus | A G | Burgher | 1900 |
| 37035 | Oberholzer | Ben | G J | Inspector | 2004 |
| 45463 | Oberholzer | Christiaan H. | C H | Burgher | 1900 |
| 41136 | Oberholzer | Christiaan Lourens | C L | Signaller | 1980 |
| 45460 | Oberholzer | Daniel Carel | D C | Burgher | 1900 |
| 32353 | Oberholzer | Francois Paul | F P | Private | 1992 |
| 37036 | Oberholzer | Isak Johannes | I J | Constable | 1918 |
| 45461 | Oberholzer | Izaak Gerhardus | I G | Burgher | 1901 |
| 45462 | Oberholzer | Jacob Johannes | J J | Burgher | 1901 |
| 19178 | Oberholzer | Jan Andries | J A | Rifleman | 1918 |
| 37037 | Oberholzer | Johannes Hendrik | J H | Constable | 1975 |
| 48227 | Oberholzer | Johannes Jacobus | J J | Burgher | 1901 |
| 32354 | Oberholzer | Lodewikus Johannes | L J | Rifleman | 1977 |
| 41574 | Oberholzer | Lourens Martinus | L M | Colonel | 1963 |
| 19179 | Oberholzer | MacHiel Adriaan | M A | Sergeant | 1914 |
| 37038 | Oberholzer | Magnus | M | Constable | 1993 |
| 19180 | Oberholzer | Michael Adrian | M A | Lieutenant | 1941 |
| 19181 | Oberholzer | Michael Johannes | M J | Trooper | 1942 |
| 19182 | Oberholzer | Nicolaas Tjaart | N T | Sergeant | 1916 |
| 45459 | Oberholzer | Pieter Michiel | P M | Burgher | 1901 |
| 19183 | Oberholzer | Sarel Gerhardus | S G | Private | 1917 |
| 37039 | Oberholzer | Sarel Jacobus Burger | S J B | Constable | 1994 |
| 19184 | Oberholzer | Sarel Johannes Jacobus | S J J | Lance Bombardier | 1942 |