- Kuchel, Thomas H.27
- Laird, Melvin R.17
- Lewis, Anthony, 1927-20131
- Mansfield, Mike, 1903-20011
- Marshall University8
- Maybank, Burnet R. (Burnet Rhett), 1899-19541
- McCormick, Robert8
- McEwen, Bob, 1950-1
- McNary, Charles Linza, 1874-19441
- Mead, James M. (James Michael), 1885-19641
- Miami Tribe of Oklahoma1
- Miller, William E. (William Edward), 1914-198311
- Mollohan, Alan1
- Morton, Thruston B. (Thruston Ballard), 1907-198216
- Murphy, George, 1902-19923
- Muscogee (Creek) Nation, Oklahoma3
- Natcher, William Huston, 1909-19942
- National Association of Rehabilitation Facilities (U.S.)1
- National Endowment for the Arts1
- National observer (Silver Spring, Md.)1
