- Moll, Mariquita, 1923-20002
- Molnar, Ferenc, 1896-19851
- Monaco, Alfredo del, 1938-1
- Monello, Spartaco V. (Spartaco Vindice), 1909-20091
- Monk, Thelonious3
- Monod, Jacques1
- Monod, Jacques-Louis, 1927-20203
- Monosoff, Sonya1
- Monson, Dale1
- Montecino, Alfonso, 1924-20151
- Monteux, Claude1
- Monteux, Marianne1
- Montlack, Sol1
- Moore, Carman3
- Moore, David, 1938-2
- Moore, Douglas, 1893-196924
- Moore, Kermit1
- Moore, Ted (Cellist)1
- Moore, Thomas, 1933-1
- Moorman, Charlotte2
- Mordis, Gerald1
- Morel Campos, Juan, 1857-18961
- Morel Campos, Juan, 1857-1896. Sinfonia Puerto Rico1
- Morgenstern, Marvin2
- Morley, Hilda1
- Moroi, Makoto, 1930-20132
- Moross, Jerome, 1913-19831
- Morris, Franklin E., 1920-20181
- Morris, Robert, 1943-1
- Morris, Stephen M., 1944-1
- Moryl, Richard, 1929-1
- Moskowitz, Milton (Clarinetist)1
- Moss, Lawrence1
- Moss, Linda (Violist)1
- Mourant, Walter, 1910-19951
- Mozart, Wolfgang Amadeus, 1756-17911
- Multer, Walton1
- Mumma, Gordon, 1935-1
- Murcell, Raymond1
- Murvitz, Moshe5
- Myers, Rick1
- Myrvik, Norman1
- NBC Symphony Orchestra1
- Nadien, David, 1926-20141
- Nagel, Robert3
- Nakagawa, Ryohei1
- Neal, Margaret1
- Nebenzal, Seymour1
- Neidich, Irving1
- Neidlinger, Buell1
- Neill, Lou Anne1
- Nemerov, Howard1
- Nemiroff, Isaac1
- Neruda, Pablo, 1904-19731
- Neuman, Herman2
- New Art Wind Quintet2
- New Calliope Singers1
- New York Brass Ensemble1
- New York Brass Quintet2
- New York Philharmonic5