Name
- Leadenhall Press, publishers, 1862-19271
- Lechmere, Laura, author1
- Lees, Robert James, writer1
- Leighton, Marie Connor, Mrs novelist1
- Lipscomb, William Percy, dramatist1
- Locke, William John, novelist1
- Loewenstein, Fritz Erwin, founder of the Shaw Society, 1901-19691
- Longe, Julia G, Miss editor1
- Lowth, Alys, Mrs writer1
- Lyttelton, Edith Sophy, née Balfour; public servant and author; 2nd wife of Alfred Lyttelton, 1865-19481
- Lytton, Edward Robert, 1st Earl of Lytton, diplomat, politician, and poet, 1831-18911
- MacAlister, John Young Walker, Knight, librarian, 1856-19251
- MacDermot, Robert, Head of Television Drama BBC1
- MacGillivray, Evan James, barrister1
- Macaulay, Emilie Rose, DBE, author, 1881-19581
- Macfie, Ronald Campbell, physician and writer1
- Machen, Arthur, author, 1863-19471
- Mackenzie, Agnes Mure, Miss author1
- Macmillan and Co, publishers, 1843-1
- Macnaughton, S, Miss writer1