| Jameson | Sir Leander Starr | Leader | Nationality: Scottish. Late PM Cape Colony. Died 16/11/17 Source: List of Jameson raiders
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| Jardine | Cecil A | Trooper | Unit: B. troop. Nationality: English. Age: 20, Address: 15 Baskerville Rd, Wandsworth, London. Source: List of Jameson raiders
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| Jenkins | Alexander Jameson | Trooper | Unit: Artillery. Nationality: South African - Cape Colony. Address: Barkly East. Source: List of Jameson raiders
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| Jennings | Arthur | Trooper | Unit: K. troop. Nationality: South African - Cape Colony. Address: Grahamstown. Source: List of Jameson raiders
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| Jesser-Coope | John Charles | Lt | Served on the Staff. Nationality: English. Age: 27, Address: Bulawayo.Matabeleland. Source: List of Jameson raiders
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| Johnson | George | Trooper | Unit: K. troop. Nationality: English. Age: 23, Address: Mafeking, Bechuanaland. Source: List of Jameson raiders
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| Johnstone | George Hugh | Trooper | Unit: D. troop. Nationality: English. Age: 23, Address: The Lines, Braintree, Essex. Source: List of Jameson raiders
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| Johnstone | Tom Robert Cartlege Harrison | Trooper | Unit: C. troop. Nationality: English. Age: 29, Address: 48 Bromley Rd, Beckenham, Kent. Source: List of Jameson raiders
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| Jones | Francis Alfred | Trooper | Unit: B. troop. Nationality: English. Age: 25, Address: Tynyfro, Crickhowel, Brecon, Wales. Source: List of Jameson raiders
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| Jones | William H E | Trooper | Unit: C. troop. Nationality: English. Age: 25, Address: Grammer Hall, Fakenham, Norfolk. Source: List of Jameson raiders
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| Jupp | Richard Barry | Corporal | Unit: A. troop. Nationality: English. Age: 26, Address: Royal Hospital, Chelsea. Source: List of Jameson raiders
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| Kallenborn | John B | Trooper | Unit: D. troop. Nationality: South African - Cape Colony. Address: Mafeking, Bechuanaland. Source: List of Jameson raiders
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| Kavanagh | Thomas E | Trooper | Unit: D. troop. Nationality: English. Age: 24, Address: The Cedars, Cochester, Essex. Source: List of Jameson raiders
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| Kebz/Keltz | W C | Trooper | Unit: D. troop. Missing in actiion, escaped.See Pitsani Account. Source: List of Jameson raiders
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| Keenan | Percy Walker | Trooper | Unit: B. troop. Nationality: English. Age: 19, Address: 210 Upland Rd, E.Dulwich, London. Source: List of Jameson raiders
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| Kelsall | William H | Trooper | Unit: C. troop. Missing in actiion, escaped.See Pitsani account. Source: List of Jameson raiders
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| Kennedy | James Hutchinson | Capt/QM | Served on the Staff. Nationality: Irish. Age: 43, Address: Salisbury.Mashonaland. Source: List of Jameson raiders
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| Kennedy | Leslie Coleridge | Trooper | Unit: C. troop. Nationality: English. Age: 22, Address: 21 St Margaret St, Liverpool. Source: List of Jameson raiders
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| Kenny | John | Trooper | Unit: D. troop. Nationality: English. Age: 19, Address: Mafeking, Bechuanaland. Source: List of Jameson raiders
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| Kenny | John J | Trooper | Unit: C. troop. Nationality: South African - Cape Colony. Address: Walmer Rd, Port Elizabeth. Source: List of Jameson raiders
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