| | Name | Given Name | Initials | Regiment | Unit | Cemetery | Country | Locality | Date of Death |
| | SIBIYA | | D E | South African Infantry Corps | 11 South African Infantry Battalion | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1998-01-27 |
| | SIBIYA | | S C | South African Army | | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1998-04-26 |
| | SIBUYI | BONISANI ABEDNEGO | B A | South African Infantry Corps | 111 South African Infantry Battalion | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1991-07-31 |
| | 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 |
| | SIKERETE | VALENTINUS | V | South West African Territory Force | 202 Battalion | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1985-01-06 |
| | SIKHOSANA | | N R | South African Army | | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1998-08-22 |
| | SILBERBAUER | MARTIN CHARLES | M C | South African Air Force | 85 Combat Flying School | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1979-04-05 |
| | SIMBINE | MORRIS MAVABAZA | M M | South African Infantry Corps | 111 South African Infantry Battalion | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1991-07-31 |
| | SIMELANE | | S | South African Corps of Military Police | | SADF WALL OF REMEMBRANCE, VOORTREKKER MONUMENT, PRETORIA | South Africa | Gauteng | 1997-02-16 |