Name
- Jeyes, Samuel Henry, journalist2
- Jones, Clement Wakefield2
- Jones, Rufus Matthew, Professor of Philosophy Haverford College USA2
- Jourdain, Francis, Sec Comité Mondial Contre la Guerre et le Fascisme2
- Keeling, Guy W, of the British National Committee International Peace Campaign2
- Keith, Arthur Berriedale, Professor of Sanskrit at Edinburgh University2
- Kettle, Marguerite Rosabelle, née Gale, alias Margot, Communist and historian, 1916-19952
- Keyes, Roger John Brownlow, 1st Baron Keyes, naval officer and politician, 1872-19452
- Keymer, S L, Colonel of Alderley Edge2
- Lambart, Frederick Rudolph, 10th Earl of Cavan, Field-Marshal2
- Lang, William Cosmo Gordon, Archbishop of Canterbury, Baron Lang, 1864-19452
- Laurvig, Preben Ferdinand, Count, Danish diplomatist, 1872-19462
- Lawford, V G, of the Foreign Office2
- Leak, J A Trevelyan, Sec League of Nations Union Sussex Federal Council2
- Leggett, Malcolm, of Bournemouth2
- Leishman, James R, of the League of Nations Union Edinburgh Branch2
- Lopes, Henry Ludlow, 2nd Baron Ludlow2
- Loveday, Alexander, economist and international civil servant2
- Lowther, James William, 1st Viscount Ullswater2
- Lunn, Henry Simpson, MD2