- Magnuson, Warren G. (Warren Grant), 1905-19891
- Mahan, John W.1
- Mann, James R. (James Robert), 1920-20101
- Mansfield, Mike, 1903-20011
- Melcher, John, 1924-20181
- Menominee Nation1
- Miura, Laurine1
- Mondale, Walter F., 1928-20211
- Moore, Arch A., Jr. (Arch Alfred), 1923-20151
- Mosher, Charles Adams, 1906-19841
- Moss, John E. (John Emerson), 1915-19971
- Murphy, John M., 1926-20151
- Murtha, John P.1
- Ponca Tribe of Indians of Oklahoma1
- Potawatomi Nation1
- Potawatomi Tribe1
- Preyer, Richardson1
- Pritchard, Joel M. (Joel McFee), 1925-19971
- Roncalio, Teno, 1916-20031
- Roudebush, Richard L. (Richard Lowell), 1918-19951
