Name
- Lalaing, Charles Maximilien Jacques, Comte, Belgian Envoy in London2
- Lambart, Frederick Edward Gould, 9th Earl of Cavan2
- Lambert, George, MP; of Add MS 460612
- Langman, John Lawrence, 1st Baronet2
- Lawson, Harry Lawson Webster, 1st Viscount Burnham 19192
- Leggett, Edward Humphrey Manisty, Major; Knight 19202
- Lewis and Lewis, solicitors2
- Lipton, Thomas Johnstone, Baronet2
- Logan, Norman Colhoun, Vicar of Volksrust, Transvaal2
- Longley, Henry, Chief Charity Commissioner; KCB 18892
- Lyell, Leonard, 1st Baron Lyell of Kinnardy 19142
- Lyttelton, Edith Sophy, née Balfour; public servant and author; 2nd wife of Alfred Lyttelton, 1865-19482
- Lyttelton, Neville Gerald, Knight, army officer, 1845-19312
- Lytton, Constance Georgina, suffragette2
- Lytttelton, Katharine, wife of Sir N G Lyttelton2
- MacColl, Malcolm, Canon of Ripon2
- MacGowan, William Stuart, Curate of St Anne's, Soho2
- Macdona, John Cumming, MP2
- Macnaghten, Melville Leslie, Chief of the Metropolitan CID2
- Mahaffy, John Pentland, Provost of Trinity College Dublin2