| # | Last Name | First Name | Initials | Rank | Regiment | Locality | Date of Death |
|---|---|---|---|---|---|---|---|
| 19511 | Otto | Sabrand Johannes | S J | Trooper | Protectorate Garrison Regiment | Gauteng | 1918-10-08 |
| 19512 | Otto | Stephanus Jacobus Daniel | S J D | Private | Central Army Training Depot | Gauteng | 1943-06-18 |
| 19513 | Otto | Williams | W | Private | Indian and Malay Corps (Corps) | Western Cape | 1944-10-24 |
| 32411 | Otto | Johann | J | Warrant Officer Class I | South African Infantry Corps (Corps) | Gauteng | 1992-05-10 |
| 32412 | Otto | Michael Daniel | M D | Corporal | 912 Battalion | 1982-07-20 | |
| 32413 | Otto | Willem | W | Gauteng | 1985-03-29 | ||
| 37079 | Otto | Henry Hurworth (choppy) | H H | Sergeant | Free State | 1991-09-17 | |
| 37080 | Otto | Henry Hurworth (choppy) | M | Inspector | Gauteng | 2002-02-27 | |
| 37081 | Otto | Rudolf Nicolaas | R N | Constable | Gauteng | 1973-10-03 | |
| 41706 | Otto | Albert Johannes | A J | Air Apprentice | South African Air Force (Corps) | 1958-02-27 | |
| 45374 | Otto | Salmon Vermaak | S V | Burgher | Lichtenburg Commando | 1901-02-23 | |
| 45375 | Otto | M. H. Lt. | M H L | Burgher | Marico Commando | 1901-12-09 | |
| 45376 | Otto | Michiel Hendrik | M H | Burgher | Marico Commando | 1901-12-09 | |
| 45377 | Otto | Hendrik Tobias | H T | Burgher | Lichtenburg Commando | Unknown | |
| 45378 | Otto | Johan Frederik | J F | Burgher | Rustenburg Commando | 1902-04-11 | |
| 45379 | Otto | David (daniel) | D ( | Burgher | Boer Forces | 1901-07-29 | |
| 45380 | Otto | Johannes Petrus | J P | Burgher | Boer Forces | Unknown | |
| 45382 | Ottens | Jan | J | Burgher | Johnnesburg Police Commando | 1901-07-29 | |
| 43268 | Otsheleng | O F | Warrant Officer | 2022-07-15 | |||
| 19500 | Oswald | Walter Edward | W E | Private | General Service Corps (Corps) | Gauteng | 1944-03-16 |
| 32410 | Ostrom | Robert Wiliam Benjamin | R W B | Private | South African Air Force (Corps) | Gauteng | 1982-06-01 |
| 19496 | Ostevik | Sverre Pedersen | S P | Second Lieutenant | South African Air Force (Corps) | Gauteng | 1943-04-19 |
| 37078 | Osmond | Arno | A | Gauteng | 1981-11-03 | ||
| 32409 | Osler | F | Trooper | Bechuanaland Border Police | Gauteng | 1979-09-06 | |
| 19488 | Osia | C | Private | South African Native Labour Corps (Corps) | KwaZulu-Natal | 1945-10-13 | |
| 19485 | Osendorp | David | D | Private | Indian and Malay Corps (Corps) | Gauteng | 1944-03-19 |
| 19482 | Osborne | Larry Edward | L E | Sergeant | South African Medical Corps (Corps) | Gauteng | 1943-02-28 |
| 32408 | Osborne | Nigel David | N D | Lieutenant | 19 Squadron | 1979-09-06 | |
| 45381 | Osberg | Fredrik | F | Burgher | Scandinavian Corps Commando | 1899-12-11 | |
| 32407 | Ortmann | Rolf Eduard | R E | Gunner | 10 Anti Aircraft Regiment | Gauteng | 1979-07-02 |
| 19468 | Ortlepp | Harold Arthur Roos | H A R | Second Lieutenant | 43 Squadron | Gauteng | 1942-01-23 |
| 45383 | Orsmond | W. G. | W G | Burgher | OFS Artillery Commando | 1899-11-23 | |
| 19459 | Orr | John | J | Private | 3rd South African Infantry | Western Cape | 1919-05-17 |
| 40739 | Orr | John | J | Commandant | 2 Squadron | Gauteng | 1990-03-28 |
| 19456 | Orpen | P B | Private | Cape Corps | Free State | 1942-02-04 | |
| 19450 | Orme-Spencer | Charles | C | Corporal | South African Engineer Corps (Corps) | Gauteng | 1942-10-17 |
| 19449 | Orme | William Henry | W H | Sergeant | South African Corps of Signals (Corps) | Gauteng | 1946-01-03 |
| 19445 | Orgill | Claude Morris | C M | Able Seaman | South African Navy (Corps) | Western Cape | 1943-05-14 |
| 19446 | Orgill | J N | Private | Cape Corps | Western Cape | 1945-11-02 | |
| 19434 | Orchison | David W | D W | Second Lieutenant | South African Air Force (Corps) | Western Cape | 1945-01-09 |
| 32406 | Oram | Charles John | C J | Corporal | 5 Reconnaissance Regiment | Limpopo | 1987-01-31 |
| 19428 | Opperman | Albert Stephen Abraham | A S A | Burgher | Mounted Commandos | Limpopo | 1914-11-25 |
| 19430 | Opperman | Daniel Jacobus Elardus | D J E | Burgher | Mounted Commandos | Gauteng | 1914-11-08 |
| 19432 | Opperman | Petrus Gerhardus | P G | Private | 9th Infantry (Prince of Wales' Own Regiment of Cape Peninsula Rifles) | Western Cape | 1918-10-17 |
| 19433 | Opperman | William | W | Leader | South African Native Labour Corps (Corps) | KwaZulu-Natal | 1917-04-24 |
| 32400 | Opperman | Andre Leon | A L | Second Lieutenant | 32 (Buffalo) Battalion | Gauteng | 1978-09-06 |
| 32401 | Opperman | Frederik Jacobus | F J | Warrant Officer Class I | 32 (Buffalo) Battalion | Gauteng | 1992-10-24 |
| 32402 | Opperman | George | G | Corporal | South African Medical Health Service | Gauteng | 1995-05-17 |
| 32403 | Opperman | Hercules Petrus | H P | Private | South African Technical Services Corps (Corps) | Gauteng | 1977-04-29 |
| 32404 | Opperman | Joseph Adriaan | J A | Rifleman | 3 South African Infantry Battalion | Gauteng | 1977-01-21 |