- Mesirow, Tod1
- Metropolitan Museum of Art (New York, N.Y.)2
- Meyer, Han, 1951-1
- Michels, Doug3
- Middleton, Robin1
- Milgram, Morris, 1916-19971
- Miller, Jim, 1947-1
- Miller, Richard A.3
- Miller, Rob (Robert James)1
- Miller, Ross2
- Millon, Henry A.1
- Millspaugh, Martin, 1925-20181
- Milwaukee Art Museum1
- Missouri History Museum1
- Modern Architecture Symposium (1966 : Columbia University)4
- Molesworth, Helen, 1966-1
- Montague, John, 1944-1
- Monte, Philippe de, 1521-16032
- Moody Blues (Musical group)3
- Mooney, Andrew J., 1951 or 1952-1
- Moore, Arthur Cotton, 1935-20221
- Moore, Charles W., 1925-19932
- Morin, Relman, 1907-19731
- Morley, Thomas, 1557-1603?1
- Morton, Margaret1
- Moscovitch, Allan, 1946-1
- Mostoller, Michael1
- Mouffe, Chantal1
- Mozart, Wolfgang Amadeus, 1756-17911
- Murray, J. Edward, 1915-20054
- Muschamp, Herbert2
- Muschenheim, William1
- Musset, Alfred de, 1810-18571
- Myers, Barton, 1934-1
- Möer, R1
- Nairn, Ronald C.1
- National Broadcasting Company2
- National Neighbors1
- National Public Radio (U.S.)4
- National Secretaries Association (International)1
- Natsios, Deborah1
- Negroponte, Nicholas1
- Neufert, Ernst1
- Neuman, William1
- New York (N.Y.)1
- New York (State). Division of Housing and Community Renewal1
- New York City Economic Development Corporation1
- Newman, Kevin, 1959-1
- Newman, Oscar74
- Nichols, Dale, 1904-19952
- Nietzsche, Friedrich Wilhelm, 1844-19002
- Nixon, John (Civil rights worker)1
- Nobel, Philip1
- Nochlin, Linda1
- Nordenson, Guy1
- Norman, Gene A., Jr. (Gene Alfred)1
- Norton, G.H.1
- O'Brien, Mark1
- O'Malley, Bingo2
- Ockman, Joan15