- La Guardia, Fiorello H. (Fiorello Henry), 1882-19473
- League of Women Voters (U.S.)3
- MacWilliams, Cosgrove, Snider, Smith and Robinson3
- March of Dimes3
- Matsui, Robert T., 1941-20053
- Matsunaga, Helene3
- McCain, John, 1936-20183
- McClellan, John L. (John Little), 1896-19773
- McGovern, George S. (George Stanley), 1922-20123
- McNeely, Eugene3
- Mescalero Apache Indians3
- Michael Oransky3
- Modoc Tribe of Oklahoma of Oklahoma3
- Murkowski, Frank H.3
- Natcher, William Huston, 1909-19943
- National Association Of Real Estate Boards3
- National Education Association of the United States3
- National Women's Political Caucus (U.S.)3
- Navajo Tribe of Arizona, New Mexico & Utah, New Mexico & Utah3
- Nehru, Jawaharlal, 1889-19643
