- La Guardia, Fiorello H. (Fiorello Henry), 1882-19473
- Langer, William, 1886-19591
- Laurens, Henry, 1724-17921
- Law, Richard, 1733-18061
- Lehman Brothers3
- Lehman Family1
- Lehman, Herbert H.23
- Lehman, Herbert H. (Herbert Henry), 1878-1963992
- Lehman, Herbert H., Mrs.7
- Lehman, Irving and Mrs. Sissie Straus4
- Lehman, Mayer, 1830-18971
- Lehman, Peter G. (Peter Gerald), 1917-19446
- Leidesdorf, Samuel David, 1881-19681
- Levy, Adele Rosenwald, 1892-19602
- Lewisohn, Adolph, 1849-19381
- Lie, Trygve, 1896-19684
- Lipsky, Louis, 1876-19631
- Livingston, Catherine1
- Livingston, William, 1723-17901
- Long, Russell B.5
- Low, Robert A. and Mrs. Frances1
- Lubin, Isador, 1896-19782
- Lyons, Samuel1
- Magnes, J. L. (Judah Leon), 1877-19482
- Magnuson, Warren G. (Warren Grant), 1905-19891
- Maguire, Edward C.1
- Mansfield, Mike, 1903-20011
- Marshall, James and Mrs. Lenore2
- Marshall, Thurgood, 1908-19933
- Marvin, Dwight, 1880-19722
- Mazur, Paul M., 1892-19791
- McCarran, Pat, 1876-19544
- McCarthy, Joseph R.12
- McClellan, John L. (John Little), 1896-197711
- McCloy, John J. (John Jay), 1895-19891
- McDonald, James G. (James Grover), 1886-19641
- McFarland, Ernest William, 1894-19841
- McGrath, J. Howard (James Howard), 1903-19662
- McMahon, Brien, 1903-19522
- Mead, James M. (James Michael), 1885-19642
- Meany, George, 1894-19803
- Menshikov, Michail A.2
- Meyer, Eugene and Mrs. Agnes1
- Miller, Frieda S.4
- Monroe, James, 1758-18311
- Monroney, A. S. Mike (Almer Stillwell Mike), 1902-19803
- Moody, Blair1
- Morgenthau, Henry Jr. and Mrs. Elinor4
- Morris, Newbold, 1902-19661
- Morris, Robert, 1734-18062
- Morse, David A. (David Abner), 1907-19901
- Morse, Wayne L. (Wayne Lyman), 1900-197413
- Moses, Robert, 1888-198113
- Mundt, Karl E. (Karl Earl), 1900-19741
- Munro, Peter Jay, 1767-18331
- Murray, James E. (James Edward), 1876-196116
- Muñoz Marín, Luis, 1898-19802
- Neely, Matthew Mansfield, 1874-19582
- Neuberger, Richard L. (Richard Lewis), 1912-19603
- Neuman, Emanuel1