| Nom tribus | Etats |
| Mackinac Bands of Chippewa and Ottawa Indians | Michigan |
| Maconce Village Band of Ojibwa | Michigan |
| Maidu Nation | Californie |
| Maliseet Tribe | Maine |
| Manahoac Saponi Nation | Georgie |
| Maple River Band of Ottawa | Michigan |
| Marietta Band of Nooksacks | Washington |
| Marlboro & Chesterfield Pee Dee Band | Caroline du Sud |
| Meherrin Indian Tribe | Caroline du Nord |
| Mekoce Shawnee | Ohio |
| Melochundum Band of Tolowa Indians | Californie |
| Mendota Mdewakanton Dakota Community | Minnesota |
| Metis Nation of North Dakota | Dakota du Nord |
| Metrolina Native American Association | Caroline du Nord |
| Miami Nation of Indians of the State of Indiana, Inc | Indiana |
| Midlands Intertribal Empowerment Group | Caroline du Sud |
| Mishkanaka | Californie |
| Missisiquoi Council Abenaki Nation | Vermont |
| Mitchell Bay Band | Washington |
| Miwok Tribe | Californie |
| Mohawk Nation Akwesasne Mohawk Territory | New York |
| Mohawk Reservation | New York |
| Monachi Indian Tribe | Californie |
| Monican Indian Nation | Virginie-Occidentale |
| Mono Lake Indian Community | Californie |
| Montauk Indian Nation (aka Montaukett Indian Nation of New York) | New York |
| Montaukett Tribe of Long Island | New York |
| Moorish Science Temple of America, Inc (Fédération) | Maryland |
| Morning Star Shawnee Nation | Ohio |
| Muhheconnuck and Munsee Tribes | Wisconsin |
| Munsee Thames River Delaware | Colorado |
| Muscogee Nation of Florida | Floride |
| Muskegon River Band of Ottawa Indians | Michigan |
| Muwekma Ohlone Tribe | Californie |