| Stewart | Sam Alex | 195 | Trooper | QSA (3)
Source: List of QSAs with the clasp Defence of Kimberley | Kimberley Light Horse |
| Stewart | W M | | Lieutenant | QSA (2)
Source: List of QSAs with the clasp Defence of Kimberley | Kimberley TG |
| Stewart | William Mason | 196 | Trooper | QSA (3)
Source: List of QSAs with the clasp Defence of Kimberley | Kimberley Light Horse |
| Steytler | N V | 69 | Private | QSA (4)
Source: List of QSAs with the clasp Defence of Kimberley | Kimberley Volunteer Regiment |
| Stibbs | J B | | Private | QSA (1)
Source: List of QSAs with the clasp Defence of Kimberley | Kimberley TG |
| Still | Edmund Stamford Lloyd | 26070 | Cyclist | QSA (5)
Source: List of QSAs with the clasp Defence of Kimberley | Scottish Horse |
| Stinkfield | R | | Private | QSA (1)
Source: List of QSAs with the clasp Defence of Kimberley | Kimberley TG |
| Stockenstroom | F | | Private | QSA (1)
Source: List of QSAs with the clasp Defence of Kimberley | Kimberley TG |
| Stockhill | F | | Private | QSA (1)
Source: List of QSAs with the clasp Defence of Kimberley | Kimberley TG |
| Stockwell | E H | 35 | Sergeant | QSA (1)
Source: List of QSAs with the clasp Defence of Kimberley | Kimberley Volunteer Regiment |
| Stokes | S | | Private | QSA (1)
Source: List of QSAs with the clasp Defence of Kimberley | Kimberley TG |
| Stokes | W | 517 | Band | QSA (2)
Source: List of QSAs with the clasp Defence of Kimberley | Kimberley Volunteer Regiment |
| Stolz | J J | 1161 | Private | QSA (2)
Source: List of QSAs with the clasp Defence of Kimberley | Cape Police |
| Stone | C | 5488 | Private | QSA (3)
Source: List of QSAs with the clasp Defence of Kimberley | Loyal North Lancashire Regiment |
| Stone | Charles Arthur | 769 | Private | QSA (1)
Source: List of QSAs with the clasp Defence of Kimberley | Cape Police |
| Stone | George Campbell | 286 | Trooper | QSA (2)
Source: List of QSAs with the clasp Defence of Kimberley | Kimberley Light Horse |
| Stone | James Ernest | 244 | Corporal | QSA known to exist. QSA (6)
Source: List of QSAs with the clasp Defence of Kimberley | Damant's Horse |
| Stone | W A | | Private | QSA known to exist. QSA (2)
Source: List of QSAs with the clasp Defence of Kimberley | Kimberley TG |
| Stone-Raper | Richard John | | Lieutenant | QSA (4)
Source: List of QSAs with the clasp Defence of Kimberley | Kimberley Light Horse |
| Stonebanks | G | 605 | Private | QSA (1)
Source: List of QSAs with the clasp Defence of Kimberley | Kimberley Volunteer Regiment |
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