| # | Last Name | First Name | Initials | Rank | Regiment | Locality | Date of Death |
|---|---|---|---|---|---|---|---|
| 19161 | Nzimpanzi | Joseph | J | Private | South African Native Labour Corps | Gauteng | 1942-02-16 |
| 19162 | Nzube | A | Private | Essential Services Protection Corps | Eastern Cape | 1943-07-06 | |
| 41360 | Nzulu | Nkuma | N | Native Constable | South African Mounted Rifles | 1919-02-05 | |
| 32348 | Nzuza | Sakhile Obed | S O | Able Bodied Seaman | Naval Base Durban | Gauteng | 1999-07-18 |
| 37032 | Nzuza | Ben | M | Constable | South African Police | Gauteng | 1960-01-24 |
| 37033 | Nzuza | Ben | S M | Special Constable | South African Police Service | Gauteng | 2004-11-01 |
| 37034 | Nzuza | Ben | V N | Constable | South African Police | Gauteng | 1995-12-15 |
| 19165 | Nzwana | George | G | Ox Driver | South African Native Labour Corps | KwaZulu-Natal | 1917-04-20 |
| 19196 | O'brien | George William | G W | Corporal | Cape Garrison Artillery | Western Cape | 1918-10-11 |
| 19198 | O'brien | Joseph Gerald | J G | Air Mechanic | South African Air Force | Gauteng | 1942-02-05 |
| 19199 | O'brien | Kevin Laserian Coker | K L C | Pupil Pilot | South African Air Force | Gauteng | 1942-01-26 |
| 19201 | O'brien | Michael Joseph | M J | Private | Essential Services Protection Corps | Gauteng | 1940-06-11 |
| 19206 | O'brien | Thomas Vincent | T V | Sergeant | Camp Commandants Staff | Gauteng | 1918-08-11 |
| 5588 | O'brien Despard | William Hugh | W H | Corporal | South African Mounted Rifles | Gauteng | 1920-01-07 |
| 19213 | O'connell | Daniel | D | Private | South African Infantry Corps | North West | 1918-10-26 |
| 19216 | O'connell | William Joseph Andrew | W J A | Private | Essential Services Protection Corps | Western Cape | 1943-11-17 |
| 19223 | O'connor | Gilbert Rademan | G R | Major | South African Army Postal Corps | Gauteng | 1942-11-29 |
| 19226 | O'connor | James Mathew | J M | Lance Corporal | 9th Infantry (Prince of Wales' Own Regiment of Cape Peninsula Rifles) | Western Cape | 1920-11-04 |
| 19227 | O'connor | Robert Emmet | R E | Private | South African Infantry Corps | Eastern Cape | 1918-10-12 |
| 32356 | O'connor | Walter Donald | W D | Rifleman | South African Commandos | Free State | 1979-12-15 |
| 32357 | O'connor | Desmond | D | Lieutenant | South African Air Force | Northern Cape | 1981-09-29 |
| 37040 | O'connor | Albert Cortney Michael | A C M | Plain Clothes Constable | South African Police | Gauteng | 1922-05-11 |
| 19240 | O'daly | Charles Nicholas Frederick | C N F | Dresser | South African Veterinary Corps | KwaZulu-Natal | 1917-05-04 |
| 19242 | O'dea | Daniel | D | Corporal | Technical Service Corps | KwaZulu-Natal | 1943-04-08 |
| 19246 | O'dell | D F | Private | Technical Service Corps | Western Cape | 1947-06-26 | |
| 19253 | O'donnell | James | J | Private | South African Horse | Gauteng | 1918-01-23 |
| 19255 | O'donoghue | James Michael | J M | Corporal | Prince Alfred's Guard | KwaZulu-Natal | 1942-07-07 |
| 19257 | O'donoghue | Patrick Roderick | P R | Private | South African Infantry Corps | Western Cape | 1916-12-03 |
| 32365 | O'gorman | Brian Alphonso | B A | Airman | South African Air Force | Gauteng | 1965-07-02 |
| 19304 | O'leary | Kevin Leahy | K L | Captain | South African Air Force | Gauteng | 1945-07-08 |
| 19379 | O'meara | John | J | Sergeant | South African Infantry Corps | KwaZulu-Natal | 1916-11-11 |
| 19384 | O'neil | G F | Sapper | South African Engineer Corps | Western Cape | 1945-08-27 | |
| 19387 | O'neill | Richard Patrick | R P | Private | South African Infantry Corps | Gauteng | 1921-06-12 |
| 32382 | O'neill | Johannes Albertus | J A | Private | South African Ordnance Services Corps | Free State | 1982-09-04 |
| 19442 | O'reilly | William Patrick | W P | Private | South African Infantry Corps | North West | 1918-10-16 |
| 45384 | O' Reilly | William Hedding | W H | Burgher | Boer Forces | 1901-08-16 | |
| 45385 | O' Reilly | Francois Hector | F H | Burgher | Boer Forces | 1899-11-28 | |
| 32349 | Oarum | Sakhile Obed | J | Rifleman | South West African Territory Force | Gauteng | 1980-03-30 |
| 19170 | Oates | Edward Llewellyn | E L | Staff Sergeant | General Service Corps | KwaZulu-Natal | 1942-12-15 |
| 19171 | Oates | Hilton Edgar | H E | Pupil Pilot | South African Air Force | Free State | 1941-09-24 |
| 32350 | Oates | Ronald Kitchener | R K | Pupil Pilot | South African Air Force | Gauteng | 1937-07-27 |
| 39749 | Oates | Taylor | T | Private | General and Base Depots | Gauteng | 1927-11-07 |
| 45466 | Oates | Thomas (tom) | T ( | Burgher | Boer Forces | 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 | Western Cape | 1975-11-24 |
| 45465 | Oberholster | A.j. | A | Burgher | Boer Forces | 1900-02-27 | |
| 19177 | Oberholzer | Albertus Petrus Johannes | A P J | Corporal | Q Service 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 | Gauteng | 1942-10-27 |
| 19187 | Oberholzer | Zacharias Petrus | Z P | Corporal | South African Corps of Military Police | Gauteng | 1945-04-30 |