- Mahon, George Herman, 1900-19851
- Manchin, A. James, 1927-20031
- Marshall, Charlene1
- McCandless, Al, 1927-1
- McCulloch, John Howard 1
- McEwen, Bob, 1950-1
- McKeon, Howard P., 1938-1
- McMillen, Tom, 1952-1
- Melcher, John, 1924-20181
- Meng, Grace1
- Metzenbaum, Howard M.1
- Miller, George, III, 1945-1
- Mollohan, Bob1
- Moore, Arch A., Jr. (Arch Alfred), 1923-20151
- Murphy, Bill (Richard W.), 1929 -1
- Murphy, Tim, 1952 September 11-1
- Myers, John T. (John Thomas), 1927-1
- Myers, Michael J.1
- Nelson, Bill, 1942-1
- Nichols, Mr. (William), 1918-1
