Name
- Manners, John Hartley, playwright1
- Manson, Cicely Constance, wife of J B Manson alias Elizabeth1
- Marchant, Stanley Robert, Knight, composer and organist, 1883-19491
- Mare, Walter John, poet, 1873-19561
- Margrie, William, author, founder of the London Explorers' Club1
- Marriott, James William, alias `Roger Wray', author1
- Marshall, Christabel Gertrude, al. 'Christopher St John', 1871-19601
- Marshall-Hole, Molly, formerly Torin playwright1
- Martin, John Smellie, poet and author1
- Martin-Harvey, John, theatrical producer1
- Martin-Harvey, Muriel, daughter of Sir J Martin-Harvey1
- Martineau, Alice, wife of Sir P H Martineau1
- Masefield, Constance, wife of John Masefield, 1866-19601
- Masefield, Lewis Crommelin, son of John Masefield, 1910-19421
- Mason, Ruth Putnam, dramatist1
- Massingham, Harold John, author, 1888-19521
- Mattingly, Harold, numismatist1
- Maude, Aylmer, translator and biographer1
- Maung Pye, Maung, Burmese journalist1
- Mavor, Osborne Henry, playwright; pseudonym 'James Bridie', 1888-19511