| Semple | William Campbell | 107 | | Source: Medal rolls | Canada, 1st Canadian Mounted Rifles |
| Sempleton | W E | | | Source: QSA and KSA medal rolls | New Zealand, 5th Contingent (Imperial Bushmen) |
| Sempson | E T | | | 1st Battalion
Source: QSA and KSA medal rolls | King's Royal Rifle Corps |
| Sempson | E T | | | 1st Battalion
Source: QSA and KSA medal rolls | King's Royal Rifle Corps |
| Sempson | W | | | 2nd Battalion
Source: QSA and KSA medal rolls | Royal Irish Rifles |
| Semth | A E | | | Source: QSA and KSA rolls | British South Africa Police |
| Senclair | G | | | 1st Battalion
Source: QSA and KSA medal rolls | Royal Scots (Lothian Regiment) |
| Senclair | T | | | Source: QSA and KSA medal rolls | Cape Town Highlanders |
| Sendall | A | | | 2nd Battalion
Source: QSA and KSA medal rolls | Royal Warwickshire Regiment |
| Sendall | A P | | | Source: WO100/231 | City Imperial Volunteers |
| Sendall | F | | | 3rd Battalion
Source: QSA and KSA medal rolls | Lincolnshire Regiment |
| Sendall | S | | | 2nd Battalion
Source: QSA and KSA medal rolls | Lincolnshire Regiment |
| Sendamore | E W | | | Source: QSA and KSA medal rolls | Prince Alfred's Volunteer Guard |
| Sendamore | J | | | 2nd Battalion
Source: QSA and KSA medal rolls | Gloucestershire Regiment |
| Sendamore | Reginald Arthur | 3257 | Trooper | 3rd RPR
Source: Nominal roll in WO127 | Railway Pioneer Regiment |
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