Musical Biographies - M, 4
- Milder-Hauptmann, Pauline Anna
- Millard, Harrison
- Miller, Edward
- Millocker, Karl
- Mills, Sebastian Bach
- Mingotti, Regina
- Minoja, Ambrosio
- Mirecki, Franz
- Miry, Karel
- Mohr, Hermann
- Mohring, Ferdinand
- Moir, Frank Lewis
- Molique, Wilhelm Bernhard
- Mollenhauer, Edward R.
- Mollenhauer, Emil
- Moller, Joachim
- Molloy, James Lyman
- Momigny, Jerome Joseph de
- Monasterio, Jesus de
- Mondonville, Jean Joseph Cassanea
- Moniuszko, Stanislaw
- Monk, Edwin George
- Monk, William Henry
- Monpou, François Louis Hippolyte
- Monsigny, Pierre Alexandre
- Montagnana, Domenico
- Monte, Fillippo de
- Monteclair, Michel Pignolet de
- Monteverde, Claudio
- Montigny-Remaury, Fanny Marcalline Caroline
- Morales, Cristofero
- Morel, Auguste François
- Morgan, George Washbourne
- Morgan, John Paul
- Morlacchi, Francesco
- Morley, Thomas
- Morse, Charles Henry
- Mortier de Fontaine, Henri Louis Stanislas
- Moscheles, Ignaz
- Mosel, Ignaz Franz
- Mosenthal, Joseph
- Moskowa, Joseph Napoleon Ney, Prince de la
- Mosonyi, Michael Brandt
- Moszkowski, Moritz
- Mottl, Felix
- Moussorgsky, Modeste Petrovich
- Mouton, Jean de Hollingue
- Mozart, Leopold
- Mozart, Wolfgang Amadeus jr.
- Muck, Karl
- Mudie, Thomas Mollcson
- Muffat, Georg
- Muhldorfer, Wilhelm Karl
- Muller, Adolf
- Muller, Adolf jr.
- Muller, August Eberhard
- Muller, Carl Christian
- Muller, Friedrich
- Muller, Ivan
- Muller, Wenzel
- Muller - First Quartet
- Muller - Second Quartet
- Muller-Hartung, Karl Ernst Wilhelm
- Muller-Reuter, Theodor
- Muris, Johannes de
- Murska, Ilma di
- Musin, Ovide
- Musiol, Robert Paul Johann
- Musard, Philippe
- Muzio, Emanuele
- Mysliweczek, Joseph
- Mozart, Wolfgang Amadeus