Name
- Jones, Hugh Valence, Clerk in Secretary of State's Office afterwards Solicitor to the Treasury1
- Judd, Henry1
- Kaunitz-Rietberg, Wenceslas Anton, Count, alias Rittberg; Austrian Envoy at the Congress at Aix-la-Chapelle1
- Keayne, Benjamin, Captain1
- Keith, Robert, Ambassador at St Petersburg1
- Kennedy, John, of Egerton MS 26511
- Kennedy, Robert, of Egerton MS 26511
- Keppel, William Anne, 2nd Earl of Albemarle, KG; Ambassador to France1
- La Boulie, Intendant at Calais1
- Lenthall, William, Speaker of the House of Commons1
- Leoni, Giovanni Battista1
- Leslie, David, 1st Lord Newark1
- Leslie, John, 6th Earl of Rothes, afterwards Duke of Rothes, Royal Commissioner and Lord Chancellor of Sotland1
- Levin, Charles Pierre Gaston François, Marquis, afterwards Duc, de Mirepoix; French Ambassador to England; Marshal of France1
- Lewes, William, Governor of Portsmouth1
- Lindsay, Anne, widow of Alexander, 1st Lord Balcarres, afterwards 2nd wife of Archibald, 9th Earl of Argyll1
- Lindsay, Colin, 3rd Earl of Balcarres, politician; supporter of James II of England, 1652-17221
- Lindsay, John, 1st Earl of Crawford, and 1st Earl of Lindsay1
- Lippomano, Girolamo, Venetian Ambassador to Poland1
- Lippomano, Girolamo, Venetian diplomatist1