| James | Harry | 39205 | Trooper | Source: Nominal roll |
| Janetti | R | | Corporal | Prisoner. Bethesda, 10 August 1901
Released
Source: South African Field Force Casualty Roll |
| Jannitti | Lucion | 31370 | Corporal | Source: Nominal roll |
| Janson | Alfred | 20366 | Trooper | Source: Nominal roll |
| Janson | Alfred | 37756 | Trooper | Source: Nominal roll |
| Johnson | C | | Scout | Prisoner. Bethesda, 10 August 1901
Released
Source: South African Field Force Casualty Roll |
| Johnson | Canterbury | | Trooper | Source: Nominal roll |
| Jones | Charles Henry | | Sergeant | Source: Nominal roll |
| Jones | Robert | | Trooper | Source: Nominal roll |
| Kay | E Thomas | | Trooper | Source: Nominal roll |
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