Name
- Kay-Shuttleworth, James Phillips, 1st Baronet1
- Keating, Michael John, Dean of Kilfenora1
- Key, Astley Cooper, Vice-Admiral GCB1
- Kingston, Samuel Charles1
- Knatchbull-Hugessen, Edward Hugessen, 1st Baron Brabourne1
- Knott, John M-, of Severn Stoke1
- Knox, Uchter John Mark, 5th Earl of Ranfurly1
- Károlyi, Aloysius, Count, Austro-Hungarian Ambassador in London, fl 1860-18991
- Laird Brothers, ship-builders1
- Lancaster, Henry, wine importer1
- Law, William, Principal Clerk the Treasury1
- Lawson, James Anthony, Irish judge1
- Layard, Austen Henry, GCB, archaeologist and politician, 1817-18941
- Le Feuvre, Edmund P-, of the Sugar Assessment Office1
- Lefevre, John George, Knight, civil servant, 1797-18791
- Lefroy, Thomas Langlois, Lord Chief Justice of Ireland1
- Leland, Thomas, historian1
- Leslie, Lewis James, coachbuilder1
- Levy, Joseph, of Tunis1
- Litchfield, Charles, of the Treasury1