- Metzenbaum, Howard M.1
- Military hospitals1
- Miller, George, III, 1945-1
- Mingo County Planning Commission1
- Model Secondary School for the Deaf (Washington, D.C.)1
- Mollohan, Bob1
- Monuments1
- Moore, Arch A., Jr. (Arch Alfred), 1923-20151
- Mothers1
- Murphy, Bill (Richard W.), 1929 -1
- Murphy, Tim, 1952 September 11-1
- Myers, John T. (John Thomas), 1927-1
- Myers, Michael J.1
- National 4-H Club Foundation of America1
- National Coal Association1
- National Court Reporters Association1
- National Federation of the Blind1
- National Grocers Association1
- National Italian American Foundation1
- National Parks Conservation Association1
