- Mattos, Joseph1
- McConnell, Mitch1
- McCormack, John W., 1891-19805
- McCormick, Robert1
- McGovern, George S. (George Stanley), 1922-20121
- McIntyre, Thomas J., 1915-1
- McKenzie, Peggy1
- McLean, Patricia4
- Media Strategies and Research15
- Melcher, John, 1924-20181
- Menominee Indian Tribe of Wisconsin4
- Menominee Indians48
- Menominee Nation5
- Mescalero Apache Indians3
- Mescalero Apache Tribe of Oklahoma8
- Mescalero Apache Tribe of the Mescalero Reservation, New Mexico1
- Miami Tribe of Oklahoma154
- Miami Tribe of Oklahoma of Oklahoma13
- Michel, Robert H., 1923-20172
- Milks, William6
