| Macalester College (St. Paul, Minnesota) | The Women Scots The Men Scots |
| University of Maine, Orono | The Women Black Bears The Men Black Bears |
| Malone University (Canton, Ohio) | The Men and Women Pioneers |
| Manchester University (North Manchester, Indiana) | The Women Spartans The Men Spartans |
| Borough of Manhattan Community College (New York) | The Lady Panthers The Men Panthers |
| Manhattan College (Riverdale, New York) | The Women Jaspers The Men Jaspers |
| Mansfield University (Mansfield, Pennsylvania) | The Women Mountaineer |
| Marist College (Poughkeepsie, New York) | The Women Red Foxes The Men Red Foxes |
| State University, Maritime College (Bronx, New York) | The Women Privateers The Men Privateers |
| Mars Hill University (North Carolina) | The Women Lions The Men Lions |
| Marshall University (Huntington, West Virginia) | The Women Thundering Herd |
| Marywood University (Scranton, Pennsylvania) | The Women Pacers The Men Pacers |
| University of Maryland, Baltimore County | The Women Retrievers The Men Retrievers |
| Marymount University (Arlington, Virginia) | The Women Saints The Men Saints |
| Maryville University of Saint Louis | The Women Saints |
| University of Mary Washington (Fredericksburg, Virginia) | The Women Eagles The Men Eagles |
| University of Massachusetts, Amherst | The Women Minutemen The Men Minutemen |
| University of Massachusetts, Dartmouth | The Women Corsair The Men Corsair |
| Massachusetts Institute of Technology (Cambridge) | The Women Beavers The Men Engineers |
| McDaniel College (Westminster, Maryland) | The Women Green Terror The Men Green Terror |
| McMurry University (Abilene, Texas) | The Women Indians The Men Indians |
| Mercyhurst North East (Pennsylvania) | The Women Saints The Men Saints |
| Merrimack College (North Andover, Massachussetts) | The Women Warriors |
| Messiah College (Grantham, Pennsylvania) | The Women Falcons The Men Falcons |
| University of Miami (Miami, Florida) | The Men and Women Hurricane |
| Miami University (Oxford, Ohio) | The Women Red Hawks The Men Red Hawks |
| University of Michigan, Ann Arbor | The Women Wolverine The Men Wolverine |
| Michigan State University (East Lansing) | The Men and Women Spartan |
| Middlebury College (Middlebury, Vermont) | The Men and Women Panthers |
| Millersville University (Millersville, Pennsylvania) | The Women Marauders |
| Milligan College (Tennessee) | The Men and Women Buffaloes |
| Millikin University (Decatur, Illinois) | The Women Big Blue The Men Big Blue |
| Mills College (Oakland, California) | The Women Cyclone |
| Minnesota State University, Mankato | The Women Mavericks |
| Minnesota State University, Moorhead | The Women Dragon |
| University of Minnesota, Twin Cities | The Women Golden Gophers The Men Golden Gophers |
| Minnesota State University, Morris | The Women Cougar |
| Misericordia University (Dallas, Pennsylvania) | The Women Cougars The Men Cougars |
| Missouri State University (Springfield) | The Men and Women Bear |
| Missouri University of Science and Technology (Rolla) | The Men Miners |
| University of Missouri, Columbia | The Women Tigers The Men Tigers |
| University of Missouri, St. Louis | The Women Tritons The Men Tritons |
| Monmouth College (Monmouth, Illinois) | The Women Fighting Scots The Men Fighting Scots |
| Monroe Community College (Rochester, New York) | The Women Tribune The Men Tribune |
| Montclair State University (Upper Montclair, New Jersey) | The Women Red Hawks The Men Red Hawks |
| Morningside College (Sioux City, Iowa) | The Men and Women Mustangs |
| Mount Holyoke College (South Hadley, Massachusetts) | The Women Lyons |
| Mount St. Mary College (New York City, New York) | The Women Blue Knights The Men Blue Knights |
| Mount St. Mary's University (Emmitsburg, Maryland) | The Women Mount |
| College of Mount St. Vincent (Riverdale, New York) | The Women Dolphins The Men Dolphins |
| University of Mount Union (Alliance, Ohio) | The Women Purple Raiders The Men Purple Raiders |