Name
- Keir, James1
- King, Thomas, of Add MS 351261
- Kinnaird, George, 7th Baron Kinnaird1
- Kirwan, Richard1
- La Rochefoucauld, Alexandre1
- La Rochefoucauld, Duchesse de1
- La Rochefoucauld, François, Comte de la Rochefoucauld1
- La Rochefoucauld, Louis Alexandre, Duc de la Rochefoucauld, of Add MS 351261
- Lamb, Elizabeth, wife of Peniston, 1st Viscount Melbourne1
- Latrobe, B- H-1
- Laurents1
- Law, Thomas, of Add MS 351271
- Le Blanc, Thomas, of Add MS 351261
- Le Grand, R-1
- Legge, Henry, Navy Commissioner1
- Lewin, Thomas, of Add MS 351291
- Lindsay, Catherine Eliza, wife of Charles, Bishop of Kildare1
- Lingley, James1
- Long, Charles, Baron Farnborough (1826), Secretary to the Treasury, Chief Secretary for Ireland1
- Long, James Tylney1