| | Name | Given Name | Initials | Regiment | Unit | Cemetery | Country | Locality | Date of Death |
| | SIBUYI | RIVERS AMMON | R A | Kruger Park Game Reserve Commando | | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1989-09-21 |
| | SIGIDI | | M | South African Army | | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1993-01-01 |
| | SIMON | MICHAEL | M | 5 Reconnaissance Regiment | | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1983-10-21 |
| | SMITH | FREDERIK JOHANNES | F J | South African Medical Service | | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1978-10-28 |
| | SMITH | HENDRIK JACOBUS | H J | 1 Parachute Battalion | | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1984-02-17 |
| | SNYMAN | JOHANNES HENDRIK | J H | North West Command | | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1986-11-11 |
| | STANDTON | | D I | South African Corps of Engineers | | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1970-01-01 |
| | STEFFENS | ANDRE IGNATIUS | A I | South African Technical Services Corps | | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1982-11-10 |
| | STUBBS | NICOLAS ANDREW | N A | South African Equestrian Centre | | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1987-02-19 |
| | STUMBO | SIMON | S | 5 Reconnaissance Regiment | | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1979-04-20 |