| | Name | Given Name | Initials | Regiment | Unit | Cemetery | Country | Locality | Date of Death |
| | SEATHLANE | SELEPE | S | South African Native Labour Corps | 4th Bn. | HOLLYBROOK MEMORIAL, SOUTHAMPTON | United Kingdom | Hampshire | 1917-02-21 |
| | SEBADI | SAMUEL | S | South African Native Labour Corps | 5th Bn. | HOLLYBROOK MEMORIAL, SOUTHAMPTON | United Kingdom | Hampshire | 1917-02-21 |
| | SEFAKO | GEELBOOI | G | South African Native Labour Corps | 4th Bn. | HOLLYBROOK MEMORIAL, SOUTHAMPTON | United Kingdom | Hampshire | 1917-02-21 |
| | SEFAKO | JIM | J | South African Native Labour Corps | 5th Bn. | HOLLYBROOK MEMORIAL, SOUTHAMPTON | United Kingdom | Hampshire | 1917-02-21 |
| | SEKAKAILA | RICE | R | South African Native Labour Corps | 5th Bn. | HOLLYBROOK MEMORIAL, SOUTHAMPTON | United Kingdom | Hampshire | 1917-02-21 |
| | 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 |
| | SEKORO | JOSIAH | J | South African Native Labour Corps | Medical Section | HOLLYBROOK MEMORIAL, SOUTHAMPTON | United Kingdom | Hampshire | 1917-02-21 |
| | SEKOTE | STEPHANUS | S | South African Native Labour Corps | Medical Section | 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 |