- Mannes, Marya1
- Manship, Paul, 1885-19661
- Marshall, Alton, 1921-20071
- Marshall, Thurgood, 1908-19932
- Martin, Edwin Hubbard1
- Martin, Harold C1
- Martin, John1
- Martin, Louis1
- Marvin, Langdon P. (Langdon Parker), 1876-19571
- Marvin, Mary Vaughan1
- Mason, John T., 1909-199826
- Massee, May, 1889-19661
- Master, Robert1
- Matthews, T. S. (Thomas Stanley), 1901-19911
- Max, Pearl, 1904-19991
- May, Herbert L. (Herbert Louis), 1877-19661
- McAneny, George, 1869-19531
- McCormick, Ken, 1906-19971
- McDonald, Donald1
- McGill, William J. (William James), 1922-19971
- McGrath, Earl J., 1902-19931
- McHarg, Ormsby, 1871-1
- McIntosh, Millicent C1
- McKinney, Ernest Rice, 1886-19841
- McLaughlin, Frederick C., 1906-19852
- McLaurin, Benjamin F., 1906-19891
- Medina, Harold R. (Harold Raymond), 1888-19901
- Meltzer, Milton, 1915-20091
- Merritt, Russell2
- Meyer, Eugene, 1875-19591
- Meyer, Helen1
- Meyner, Robert B.1
- Métraux, Rhoda, 1914-20031
- Michals, Duane1
- Mickelson, Sig1
- Miller, Dorothy Canning, 1904-20031
- Miller, Edith, 1930-1
- Miller, Geoffrey1
- Miller, Janet1
- Milliken, Carl E. (Carl Elias), 1877-19611
- Millstein, Ira M1
- Mitchell, Clarence M. (Clarence Maurice), 1911-19841
- Mitchell, H. L. (Harry Leland), 1906-19891
- Molino, Patricia1
- Mook, Byron1
- Moore, Paul, 1919-20031
- Moreland, William Dawson, 1907-1
- Morrill, Chester, 1885-19781
- Morris, Berenice7
- Morris, Newbold, 1902-19661
- Morris, Richard B. (Richard Brandon), 1904-19891
- Morse, David A. (David Abner), 1907-19901
- Moscow, Warren, 1908-19922
- Motley, Constance Baker, 1921-20051
- Moynihan, Daniel P. (Daniel Patrick), 1927-20031
- Mulhearn, Henry J1
- Murphy, Francis X. (Francis Xavier), 1914-20021
- Murphy, Maryellen1
- Muste, A. J. (Abraham John), 1885-19671
- Myers, Constance1