Name
- Jocelyn, Robert, Baron Newport (1743), Viscount Jocelyn (1755); Lord Chancellor of Ireland1
- John IV, of Portugal1
- Jones, George, army officer and painter, 1786-18691
- Jones, Hugh Valence, Clerk in Secretary of State's Office afterwards Solicitor to the Treasury1
- Joplin, Thomas, banker1
- Joynson, John, of Urmston1
- Kay, Richard1
- Keene, Benjamin, Knight, diplomat, 1697-17571
- Keppel, George, 3rd Earl of Albemarle1
- Keppel, William Anne, 2nd Earl of Albemarle, KG; Ambassador to France1
- Ker, John, 1st Duke of Roxburghe1
- King, Henry, 3rd Baronet1
- Kipling, John, Clerk of the Records in the Rolls Chapel1
- Knowler, J-1
- La Tour, Henri, Duc de Bouillon1
- Lambart, Richard Ford William, 7th Earl of Cavan1
- Lambton, John, General; MP for Durham1
- Lapidge, Edward, architect1
- Lascelles, Henry, 2nd Earl of Harewood1
- Lascelles, William Saunders Sebright1