| | Name | Given Name | Initials | Regiment | Unit | Cemetery | Country | Locality | Date of Death |
| | SEKAOALEBA | WILLIAM | W | South African Native Labour Corps | 5th Bn. | HOLLYBROOK MEMORIAL, SOUTHAMPTON | United Kingdom | Hampshire | 1917-02-21 |
| | SEKONYELA | GEORGE | G | South African Native Labour Corps | 5th Bn. | HOLLYBROOK MEMORIAL, SOUTHAMPTON | United Kingdom | Hampshire | 1917-02-21 |
| | SEKWIDI | JAN | J | South African Native Labour Corps | 5th Bn. | HOLLYBROOK MEMORIAL, SOUTHAMPTON | United Kingdom | Hampshire | 1917-02-21 |
| | SELLO | SETH | S | South African Native Labour Corps | 5th Bn. | HOLLYBROOK MEMORIAL, SOUTHAMPTON | United Kingdom | Hampshire | 1917-02-21 |
| | SEODI | GREEN | G | South African Native Labour Corps | 5th Bn. | HOLLYBROOK MEMORIAL, SOUTHAMPTON | United Kingdom | Hampshire | 1917-02-21 |
| | SEOPELA | GEORGE STEPHANO | G S | South African Native Labour Corps | 5th Bn. | HOLLYBROOK MEMORIAL, SOUTHAMPTON | United Kingdom | Hampshire | 1917-02-21 |
| | SEPALELA | APRIL | A | South African Native Labour Corps | 5th Bn. | HOLLYBROOK MEMORIAL, SOUTHAMPTON | United Kingdom | Hampshire | 1917-02-21 |
| | SEPOSO (SIPOSO) | WILLIE | W | South African Native Labour Corps | 5th Bn. | HOLLYBROOK MEMORIAL, SOUTHAMPTON | United Kingdom | Hampshire | 1917-02-21 |
| | SEREWE | JACKSON | J | South African Native Labour Corps | 5th Bn. | HOLLYBROOK MEMORIAL, SOUTHAMPTON | United Kingdom | Hampshire | 1917-02-21 |
| | SHEBESHEBE | JACK | J | South African Native Labour Corps | 5th Bn. | HOLLYBROOK MEMORIAL, SOUTHAMPTON | United Kingdom | Hampshire | 1917-02-21 |