Name
- Ince, John, Secretary of the Hamburg Company1
- Ivan and Peter, of Russia1
- Jackson, of Add MS 418461
- Jacobsen, Theodore, agent of the Hanseatic League in London1
- Jansen, L.1
- Jenifer, James, ship's purser1
- Jenkins, Leoline, Sec of State, 1625-16851
- John III Sobieski, King of Poland1
- Kennedy, James, Conservator of Scottish Privileges and Scottish Resident in the Netherlands1
- Knuydt, Francis al. Franciscus, of Rotterdam1
- Kramprich von Kronenfeld, Daniel Johannes, Imperial Resident at The Hague; of Add MS 418091
- Lane, Thomas, DCL; Secretary to Lord Carlingford; Ambassador to Hungary1
- Langdale, Marmaduke, 2nd Baron Langdale, Governor of Hull1
- Leijonberg, Johan Barckman, Swedish Envoy Extraordinary in London1
- Lente, Christian, Danish Envoy Extraordinary in London1
- Leslie, James, Count, Imperial FieldMarshal1
- Leslie, William, Colonel; Bishop of Laibach 17181
- Louis XIV, King of France, 1638-17151
- Lumley, Richard, Viscount Lumley 1st Earl of Scarbrough 16901
- Lytcott, John, Secretary to the British Embassy at Rome 16881