Name
- Maazel, Lorin, conductor, violinist and composer, 1930-20141
- MacKerras, Alan Charles, Knight, conductor, 1925-20101
- Magaloff, Irene, née Szigeti; wife of Nikita Magaloff, fl 20th century1
- Mahler, Fritz, Austrian conductor, 1901-1973, http://isni.org/isni/000000...1
- Marillier, Winifred Christabel, née Hopkins, later Pooley, composer, 1883-19761
- Maschwitz, Eric, lyricist, screenwriter, and broadcasting executive, 1901-19691
- Masters, Robert, Director of Music of the Yehudi Menuhin School, 1917-20141
- Mayer, Robert, Knight, music patron, 1879-19851
- McAlpine, William, singer, 1922-20041
- McEachern, Malcolm, Australian singer, 1883-19451
- Miles, Maurice, conductor, 1908-1965, http://isni.org/isni/000000...1
- Milner, Anthony Francis Dominic, composer and teacher, 1925-20021
- Moiseiwitsch, Benno, pianist, 1890-1963, http://isni.org/isni/000000...1
- Montagu, John Walter Edward, 2nd Baron Montagu of Beaulieu, politician, 1866-19291
- Moy, Edgar F., organist, 1893-1973, http://isni.org/isni/000000...1