| Name | Address | Games | Actions |
|---|---|---|---|
| Malden Catholic High School | Malden, MA | 2 | |
| Mason Middle School | 3901 N. 28th St, Tacoma, WA | 8 | |
| Mercer Stadium | 801-939 6th St, New Westminster, BC, BC V3L 3C8 | 1 | |
| Miami Cook | Cook Field, Oxford, OH, 45056 | 7 | |
| Michigan State - Ralph Young Field | Ralph Young Field, East Lansing, MI, 48824 | 3 | |
| Miller Intramural Field | Raleigh, NC | 6 | |
| Missouri State University | Springfield, MO | 2 | |
| Mitchell College | 437 Pequot Avenue, New London, CT, 06320 | 1 | |
| Moorhead, MN | Moorhead, MN | 3 | |
| Mounds View High School | 1900 Lake Valentine Rd, Arden Hills, MN, 55112-2899 | 2 | |
| Mountaineer Stadium | 1 Rogers Street, Morgantown, WV, 26505 | 6 | |
| Mulligan Field (Gonzaga) | Spokane, WA | 1 | |
| NDNU | Belmont, CA | 2 | |
| Nickerson Field | Boston, MA | 5 | |
| Northfield, MN | Northfield, MN | 3 | |
| Northwestern College | Orange City, IA | 4 | |
| Notre Dame de Namur | 1500 Ralston Ave, Belmont, CA, 94002 | 1 | |
| Oakland | Oakland, CA, 94612 | 6 | |
| Occidental College | Los Angeles, CA | 7 | |
| Oklahoma State University | Stillwater, OK | 7 |