| # | Last Name | First Name | Initials | Rank | Regiment | Locality | Date of Death |
|---|---|---|---|---|---|---|---|
| 19387 | O'neill | Richard Patrick | R P | Private | 4th South African Infantry | Gauteng | 1921-06-12 |
| 32382 | O'neill | Johannes Albertus | J A | Private | South African Ordnance Services Corps (Corps) | Free State | 1982-09-04 |
| 19442 | O'reilly | William Patrick | W P | Private | 1st South African Infantry | North West | 1918-10-16 |
| 32349 | Oarum | J | Rifleman | 41 Battalion | Gauteng | 1980-03-30 | |
| 19170 | Oates | Edward Llewellyn | E L | Staff Sergeant | General Service Corps (Corps) | KwaZulu-Natal | 1942-12-15 |
| 19171 | Oates | Hilton Edgar | H E | Pupil Pilot | 21 Air School | Free State | 1941-09-24 |
| 32350 | Oates | Ronald Kitchener | R K | Pupil Pilot | South African Air Force (Corps) | Gauteng | 1937-07-27 |
| 39749 | Oates | Taylor | T | Private | General and Base Depots | Gauteng | 1927-11-07 |
| 45466 | Oates | Thomas (tom) | T ( | Burgher | Irish Brigade Commando | 1899-10-20 | |
| 19176 | Oats | Fred | F | Private | Cape Corps | Northern Cape | 1918-10-11 |
| 32351 | Obbes | Gideon M F | G M F | Trooper | South African Armoured Corps (Corps) | Western Cape | 1975-11-24 |
| 45465 | Oberholster | A.j. | A | Burgher | Johannesburg | 1900-02-27 | |
| 19177 | Oberholzer | Albertus Petrus Johannes | A P J | Corporal | Q Service Corps (Corps) | Northern Cape | 1940-08-01 |
| 19179 | Oberholzer | MacHiel Adriaan | M A | Sergeant | Mounted Commandos | Free State | 1914-11-20 |
| 19181 | Oberholzer | Michael Johannes | M J | Trooper | South African Armoured Corps (Corps) | Gauteng | 1942-10-27 |
| 19187 | Oberholzer | Zacharias Petrus | Z P | Corporal | South African Corps of Military Police (Corps) | Gauteng | 1945-04-30 |
| 32352 | Oberholzer | Antonie | A | Corporal | 2 Field Engineer Regiment | Free State | 1980-03-07 |
| 32353 | Oberholzer | Francois Paul | F P | Private | 4 South African Infantry Battalion | North West | 1992-04-23 |
| 32354 | Oberholzer | Lodewikus Johannes | L J | Rifleman | Regiment De Wet | Free State | 1977-10-26 |
| 32355 | Oberholzer | Werner | W | Corporal | South African Armoured Corps (Corps) | Limpopo | 1981-10-23 |
| 37035 | Oberholzer | G J | Inspector | Gauteng | 2004-07-10 | ||
| 37036 | Oberholzer | Isak Johannes | I J | Constable | Eastern Cape | 1918-10-26 | |
| 37037 | Oberholzer | Johannes Hendrik | J H | Constable | Gauteng | 1975-05-08 | |
| 37038 | Oberholzer | Magnus | M | Constable | Free State | 1993-12-05 | |
| 37039 | Oberholzer | Sarel Jacobus Burger | S J B | Constable | Gauteng | 1994-10-20 | |
| 41136 | Oberholzer | Christiaan Lourens | C L | Signaller | 2 Signal Regiment | Free State | 1980-02-01 |
| 41574 | Oberholzer | Lourens Martinus | L M | Colonel | 1963-07-13 | ||
| 45459 | Oberholzer | Pieter Michiel | P M | Burgher | Vrede Commando | 1901-03-28 | |
| 45460 | Oberholzer | Daniel Carel | D C | Burgher | Marico Commando | 1900-01-26 | |
| 45461 | Oberholzer | Izaak Gerhardus | I G | Burgher | Fauresmith | 1901-07-20 | |
| 45462 | Oberholzer | Jacob Johannes | J J | Burgher | Boer Forces | 1901-12-27 | |
| 45463 | Oberholzer | Christiaan H. | C H | Burgher | Winburg Commando | 1900-01-26 | |
| 45464 | Oberholzer | Arie Gerhardus | A G | Burgher | Groot Marico Commando | 1900-07-14 | |
| 19188 | Obermeyer | B | Corporal | Cape Corps | Northern Cape | 1941-05-06 | |
| 41430 | Obose | Gideon | G | Native Constable | South African Mounted Rifles | 1919-10-19 | |
| 19191 | Obree | William Henry | W H | Air Mechanic | South African Air Force (Corps) | Gauteng | 1941-08-18 |
| 19209 | Obusitse | Daniel | D | Private | South African Native Labour Corps (Corps) | Mpumalanga | 1941-09-14 |
| 19231 | October | Andrew | A | Private | Cape Corps | Western Cape | 1943-03-23 |
| 19233 | October | Dampie | D | Private | Indian and Malay Corps (Corps) | Northern Cape | 1943-10-29 |
| 19235 | October | Kayser | K | Private | South African Native Labour Corps (Corps) | Eastern Cape | 1941-11-04 |
| 19236 | October | Martinus | M | Private | Cape Corps | Western Cape | 1918-10-11 |
| 19237 | October | Samuel | S | Private | Cape Corps | Western Cape | 1945-04-19 |
| 37041 | October | H G O | Constable | Gauteng | 1986-06-24 | ||
| 37042 | October | P C | Sergeant | Gauteng | 1998-11-14 | ||
| 41058 | October | Morris | M | Labourer | South African Native Labour Corps (Corps) | 1916-06-15 | |
| 49531 | October | William | W | Trooper | Border Scouts | 1902-03-29 | |
| 19247 | Odendaal | I | Private | Indian and Malay Corps (Corps) | KwaZulu-Natal | 1942-12-01 | |
| 19249 | Odendaal | Jacobus Petrus | J P | Private | Regiment Botha | Gauteng | 1940-07-22 |
| 32358 | Odendaal | Christoffel Lombaard | C L | Air Mechanic | South African Air Force (Corps) | Gauteng | 1960-10-15 |
| 32359 | Odendaal | Dirk Cornelius | D C | Rifleman | South African Ordnance Services Corps (Corps) | Free State | 1979-10-30 |