Name
- Kinigle, Comte1
- Kirwan, Richard, FRS1
- Knightley, Charles, of Add MS 331001
- Knowsley, George1
- Knox, George, DCL; of Add MS 331051
- Kynynmound, Gilbert Elliot Murray, 1st Earl Minto, colonial governor and politician, 1751-18141
- L'Isle1
- Ladbroke, R-1
- Lambart, Richard Ford William, 7th Earl of Cavan1
- Langrishe, Hercules, Commissioner of Irish Customs1
- Law, Edward, 1st Baron Ellenbrough, Lord Chief Justice1
- Lawson, Charles John, Clerk of the Peace, Newington1
- Le Breton, Thomas, senior; afterwards (1825) Knight, and (1827) Bailly of Jersey1
- Le Favre, Nicholas1
- Leach, John, of Add MS 331091
- Leaf, John1
- Legge, H-, of Add MS 331121
- Lenoir, Alexandre1
- Leslie, Edward, Baronet, of Tarbert1
- Leslie, George William, Lord Leslie, afterwards 11th Earl of Rothes1