- Lodge, Henry, 1884-1933 (composer)1
- Lombardo, Carmen, 1903-1971 (composer)1
- Lorenzo, Ange, 1894-1971 (composer)1
- Luders, Gustav, 1865-1913 (composer)1
- Malie, Tommie (composer/lyricist)1
- Marshall, Henry I. (composer)1
- Mayerl, Billy, 1902-1959 (composer)1
- McCarron, Chas. R. (Charles R.), 1891-1919 (composer/lyricist)1
- McHugh, Jimmy, 1894-1969 (composer)1
- McWatters, Arthur J. (composer/lyricist)1
- Meinken, Fred, 1882-1958 (composer)1
- Methven, Florence (composer)1
- Meyer, George W., 1884-1959 (composer)1
- Meyer, Joseph, 1894-1987 (composer)1
- Mohr, Halsey K. (composer/lyricist)1
- Monckton, Lionel, 1861-1924 (composer)1
- Moreland, Charles (composer/lyricist)1
- Morgan, Jimmie (composer)1
- Moser, Chas. (composer)1
- Moya (composer)1