- Mauzey, Peter, 1930-1
- Maves, David1
- Maxfield, Richard, 1927-19691
- Maxin, Jacob1
- Mayer, William, 1925-20172
- Mayuzumi, Toshir o, 1929-19971
- Mayuzumi, Toshirō, 1929-19971
- McBride, Robert, 1911-20071
- McCarty, Frank1
- McCracken, Charles2
- McDowell, John Herbert2
- McGee, Gary (Clarinetist)2
- McGrath, William, 1928-1
- McGraw, Cameron1
- McKinley, Andrew2
- McKinney, Mathilde1
- McKnight, Charles, 1949-1
- McKusick, Hal, 1924-20123
- McPhee, Colin, 1900-19641
- Meier, Gustav, 1929-20161
- Melatti, Nicholas1
- Melby, John, 1941-1
- Melchert, Helmut1
- Melville, Samuel, 1935-19711
- Meneely-Kyder, Sarah, 1945-1
- Menken, Julian1
- Mennin, Peter1
- Mensch, Homer R1
- Mense, Ruth1
- Merjos, Constantine1
- Merton, Thomas, 1915-19681
- Messiaen, Olivier, 1908-19921
- Metropolitan Opera (New York, N.Y.). Chorus1
- Metropolitan Opera (New York, N.Y.). Orchestra1
- Meyer-Eppler, W. (Werner)2
- Meyerowitz, Jan, 1913-19981
- Mid-America Chorale1
- Middleton, Jean (Pianist)4
- Middleton, Robert, 1920-20161
- Midtmoen, Forrest1
- Miki, Lily2
- Milhaud, Darius, 1892-19742
- Millay, Edna St. Vincent, 1892-19502
- Miller, Allen (Violinist)1
- Miller, Barbara (Soprano)1
- Miller, Frederick (Cellist)1
- Miller, Jean1
- Miller, Jesse (Double bassist)1
- Miller, Laurel (Mezzo-soprano)2
- Miller, Robert, 1930-198117
- Mills, Charles, 1914-19821
- Mills, Fred, 1935-20092
- Mimaro glu, Ilhan K. ( Ilhan Kemaleddin), 1926-20121
- Mimaroğlu, İlhan K. (İlhan Kemaleddin), 1926-20121
- Mimaroğlu, İlhan K. (İlhan Kemaleddin), 1926-20127
- Minty, Dorothy1
- Miranda Vargas, Sara1
- Miranda, Tony1
- Mizelle, Dary John, 1940-1
- Mobbs, Edward1