 Lyon CollegeDIIIBatesville, AR | St. Louis Intercollegiate Athletic Conference (SLIAC) | Emanuel Santos | 45 | |
 Macalester CollegeDIIISaint Paul, MN | Minnesota Intercollegiate Athletic Conference (MIAC) | Gregg Olson15th season since 2012 | 28 | |
 Maine Maritime AcademyDIIICastine, ME | North Atlantic Conference (NAC) | Billy Shannon | 26 | |
 Malone UniversityDIICanton, OH · Pioneers | Great Midwest Athletic Conference | Bill Lawrence5th season since 2022 | 42 | |
 Manchester UniversityDIIINorth Manchester, IN | Heartland Collegiate Athletic Conference (HCAC) | Olaoluwade Ladapo2nd season since 2025 | 27 | |
 ManhattanDIThe Bronx , New York City, NY · Jaspers | Metro | Tom Giovatto2nd season since 2025 | 33 | |
 Manhattanville UniversityDIIIPurchase, NY | Skyline Conference (SC) | Tom Buckner | 41 | |
 Maranatha Baptist UniversityDIIIWatertown, WI | Independent | Jeff Pill | 20 | |
 Marian UniversityDIIIFond Du Lac, WI | Northern Athletics Collegiate Conference (NACC) | Keegan Miller4th season since 2023 | 28 | |
 Marietta CollegeDIIIMarietta, OH | Ohio Athletic Conference (OAC) | Joe Bergin14th season since 2013 | 35 | |
 MaristDIPoughkeepsie, NY · Red Foxes | Metro | Matt Viggiano '9920th season since 2007 | 27 | |
 MarquetteDIMilwaukee, WI · Golden Eagles | Big East | David Korn3rd season since 2024 | 28 | |
 Mars Hill UniversityDIIMars Hill, NC · Lions | South Atlantic Conference | Gregg Munn | 30 | |
 MarshallDIHuntington, WV · Thundering Herd | Sun Belt | Chris Grassie10th season since 2017 | 27 | |
 Martin Luther CollegeDIIINew Ulm, MN | Upper Midwest Conference (MWC) | Nicolas Schmoller5th season since 2022 | 21 | |
 Mary Baldwin UniversityDIIIStaunton, VA | USA South Athletic Conference (USAC) | Zack Clark | 33 | |
 MarylandDICollege Park, MD · Terrapins | Big Ten | Sasho Cirovski | 28 | |
 Marymount UniversityDIIIArlington, VA | Atlantic East Conference (AEC) | Nate Kalin8th season since 2019 | 39 | |
 Maryville CollegeDIIIMaryville, TN | Southern Athletic Association (SAA) | Pepe Fernandez | 37 | |
 Maryville UniversityDIISt. Louis, MO · Saints | Great Lakes Valley Conference | Adam Hall3rd season since 2024 | 29 | |
 Marywood UniversityDIIIScranton, PA | Middle Atlantic Conference (MAC) | Brian Osborne2nd season since 2025 | 34 | |
 Massachusetts College of Liberal ArtsDIIINorth Adams, MA | Massachusetts State Collegiate Athletic Conference (MASCAC) | Adam Hildabrand | 26 | |
 Massachusetts Institute of TechnologyDIIICambridge, MA | NEWMAC | Andrew Storton1st season since 2026 | 34 | |
 Massachusetts Maritime AcademyDIIIBuzzards Bay, MA | Massachusetts State Collegiate Athletic Conference (MASCAC) | Greg Perry | 33 | |
 McDaniel CollegeDIIIWestminster, MD | Centennial Conference (CC) | Steve Corrieri | 26 | |
 McKendree UniversityDIILebanon, IL · Bearcats | Great Lakes Valley Conference | Scott Gyllenborg | 36 | |
 McMurry UniversityDIIIAbilene, TX | American Southwest Conference (ASC) | Lorenzo Segura | 27 | |
 MemphisDIMemphis, TN · Tigers | American | Richard Mulrooney | 28 | |
 Menlo CollegeDIIAtherton, CA · Oaks | California Collegiate Athletic Association | Keith Lambert | 30 | |
 MercerDIMacon, GA · Bears | Southern | Brad Ruzzo19th season since 2008 | 26 | |
 Mercy UniversityDIIDobbs Ferry, NY · Mavericks | East Coast Conference | Pedro Velazquez10th season since 2017 | 31 | |
 MercyhurstDIErie, PA · Lakers | NEC | Austin Solomon | 59 | |
 MerrimackDINorth Andover, MA · Warriors | Metro | Tony Martone | 29 | |
 Messiah UniversityDIIIMechanicsburg, PA | Middle Atlantic Conference (MAC) | Brad McCarty | 26 | |
 Methodist UniversityDIIIFayetteville, NC | USA South Athletic Conference (USAC) | Justin Terranova | 37 | |
 Metropolitan State University of DenverDIIDenver, CO · Roadrunners | Rocky Mountain Athletic Conference | Nick Kirchhof7th season since 2020 | 34 | |
 MichiganDIAnn Arbor, MI · Wolverines | Big Ten | Chaka Daley17th season since 2010 | 33 | |
 Michigan StateDIEast Lansing, MI · Spartans | Big Ten | Damon Rensing18th season since 2009 | 27 | |
 Middle Georgia State UniversityDIICochran, GA · Knights | Peach Belt Conference | Scott Henderson | 27 | |
 Middlebury CollegeDIIIMiddlebury, VT | New England Small College Athletic Conference (NESCAC) | Alex Elias | 35 | |