| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Madden | city | Wyoming | United States | 43.20556 | -107.51944 | 5600 | 18 |
| Mammoth | city | Wyoming | United States | 44.97667 | -110.70083 | 6236 | 34 |
| Manderson | city | Wyoming | United States | 44.26944 | -107.96333 | 3936 | 70 |
| Manville | city | Wyoming | United States | 42.77917 | -104.61722 | 5301 | 42 |
| Marbleton | city | Wyoming | United States | 42.55361 | -110.10861 | 6801 | 88 |
| Marvin Place historical | city | Wyoming | United States | 42.22111 | -107.19139 | 7276 | 5 |
| Mayoworth | city | Wyoming | United States | 43.83194 | -106.79139 | 5180 | 19 |
| McCargar Place | city | Wyoming | United States | 42.20111 | -107.13194 | 6801 | 5 |
| McFadden | city | Wyoming | United States | 41.65444 | -106.13 | 7227 | 47 |
| McKinnon | city | Wyoming | United States | 41.02778 | -109.93528 | 7352 | 16 |
| Meadow Acres | city | Wyoming | United States | 42.85778 | -106.09278 | 5164 | 63 |
| Meadow Lark Lake | city | Wyoming | United States | 44.17556 | -107.25278 | 8087 | 58 |
| Meadowdale | city | Wyoming | United States | 42.5525 | -104.695 | 5377 | 107 |
| Medicine Bow | city | Wyoming | United States | 41.89556 | -106.20417 | 6597 | 45 |
| Meeteetse | city | Wyoming | United States | 44.15722 | -108.87083 | 5859 | 28 |
| Meridan PO | city | Wyoming | United States | 41.52083 | -104.34111 | 4999 | 153 |
| Meriden | city | Wyoming | United States | 41.54361 | -104.31861 | 4934 | 118 |
| Merna | city | Wyoming | United States | 42.94639 | -110.34 | 7706 | 33 |
| Mers Hill | city | Wyoming | United States | 41.88083 | -104.61694 | 4954 | 56 |
| Midvale | city | Wyoming | United States | 43.215 | -108.44444 | 5121 | 112 |
| Midwest | city | Wyoming | United States | 43.41139 | -106.27944 | 4803 | 122 |
| Midwest Heights | city | Wyoming | United States | 42.85417 | -106.36111 | 5193 | 34846 |
| Milford | city | Wyoming | United States | 42.87639 | -108.78361 | 5561 | 3385 |
| Millbrook | city | Wyoming | United States | 41.32083 | -105.91972 | 7536 | 33 |
| Millburne | city | Wyoming | United States | 41.25833 | -110.41194 | 7001 | 1858 |
| Mills | city | Wyoming | United States | 42.84056 | -106.36528 | 5141 | 34846 |
| Milo | city | Wyoming | United States | 41.62083 | -106.41944 | 7598 | 47 |
| Miners Delight | city | Wyoming | United States | 42.53306 | -108.68 | 8198 | 42 |
| Minnesela | city | Wyoming | United States | 43.58583 | -108.21639 | 4491 | 2901 |
| Mona | city | Wyoming | United States | 44.81 | -104.38083 | 3881 | 47 |
| Monarch | city | Wyoming | United States | 44.90306 | -107.03444 | 3730 | 780 |
| Monell | city | Wyoming | United States | 41.59056 | -108.48333 | 6837 | 14 |
| Moneta | city | Wyoming | United States | 43.16167 | -107.72417 | 5449 | 28 |
| Moorcroft | city | Wyoming | United States | 44.26333 | -104.94972 | 4294 | 103 |
| Moose | city | Wyoming | United States | 43.65583 | -110.7175 | 6479 | 33 |
| Moose Wilson Road | city | Wyoming | United States | 43.52528 | -110.84389 | 6187 | 1468 |
| Moran | city | Wyoming | United States | 43.84167 | -110.50694 | 6725 | 33 |
| Morrisey | city | Wyoming | United States | 43.51806 | -104.38306 | 3969 | 42 |
| Morrisey historical | city | Wyoming | United States | 41.48667 | -106.14111 | 8756 | 47 |
| Morton | city | Wyoming | United States | 43.20056 | -108.77389 | 5429 | 141 |
| Moskee | city | Wyoming | United States | 44.27167 | -104.17833 | 5433 | 112 |
| Mountain Home | city | Wyoming | United States | 41.00806 | -106.17194 | 8795 | 45 |
| Mountain View | city | Wyoming | United States | 41.26889 | -110.33917 | 6945 | 1727 |
| Mountain View | city | Wyoming | United States | 42.85361 | -106.38806 | 5203 | 18011 |
| Muddy Gap | city | Wyoming | United States | 42.35167 | -107.45667 | 6479 | 5 |
| Murke | city | Wyoming | United States | 41.42472 | -105.21472 | 6624 | 90 |
| Myersville historical | city | Wyoming | United States | 42.56333 | -108.10556 | 6548 | 5 |
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