Name
- Johnson, Nicholas1
- Johnston, James, Lord Clerk Register of Scotland1
- Johnston, William, 1st Marquis of Annandale, President of the Privy Council, and Secretary of State in Scotland1
- Johnstone, Colonel1
- Johnstone, T-1
- Jones, Charlotta1
- Jones, Richard, 3rd Viscount (1669) and 1st Earl (1674) of Ranelagh1
- Joseph I, Emperor of Germany1
- Kaunitz-Rietberg Count, J-1
- Kelly, E-1
- Kennett, White, Bishop of Peterborough1
- Keppel, Augustus, Viscount Keppel, Admiral; of Add MS 236341
- Ker, John, 4th Earl, afterwards 1st Duke of Roxburghe1
- King, Edward, of Add MS 280611
- Kirk, George1
- Kluft, J- D-, late Secretary to Sir B Keene1
- Knight, R-, of Add MS 280511
- Knight, Thomas, of Paris1
- Knight, of Add MS 280651
- Knox, Thomas, of Add MS 280491