Name
- Kerr, Philip Henry, 11th Marquess of Lothian1
- Keyes, Roger John Brownlow, 1st Baron Keyes, naval officer and politician, 1872-19451
- King, William Lyon Mackenzie, Prime Minister of Canada, 1874-19501
- Kiss, Helen, née Hajdu wife of Sigismund Kiss1
- Knox, Geoffrey George, KCMG, diplomatist1
- Lang, William Cosmo Gordon, Archbishop of Canterbury, Baron Lang, 1864-19451
- Lascelles, Henry George Charles, Viscount Lascelles, 6th Earl of Harewood1
- Law, Andrew Bonar, businessman and prime minister, 1858-19231
- Lawrence, W B, writing from Barnes1
- Leonard, Robert Maynard, author, Sec Secret Commissions and Bribery Prevention League1
- Lowther, James William, 1st Viscount Ullswater1
- Lucas, Robert H, Sec Printers' Pension Almshouse and Orphan Asylum Corporation1
- Macglashan, C, writing from Edinburgh1
- Macready, Cecil Frederick Nevil, 1st Baronet, army officer, 1862-19461
- Maillefeu, Jean Gaston, Vicomte, landowner, fl 19361
- Masaryk, Jan Garrigue, Czech statesman, 1886-1948, http://isni.org/isni/000000... http://viaf.org/viaf/49899111
- Masirevich, Constantin de, Hungarian diplomatist1
- Maxse, Leopold James, journalist and political activist; editor of 'National Review', 1864-19321
- McCarthy, Michael John Fitzgerald, barrister and author1
- McLaren, Charles Benjamin Bright, 1st Baron Aberconway1