| Lake | County | Latitude | Longitude |
| Magog Lake | Rolette | 48.882135 | -99.943002 |
| Maier Lake | Emmons | 46.240943 | -100.279574 |
| Mallard Lake | Benson | 47.938608 | -98.850640 |
| Mandan Lake | Oliver | 47.246883 | -101.181741 |
| Mannie Lake | Nelson | 47.704828 | -98.374589 |
| Marion Lakes | Rolette | 48.854390 | -99.800473 |
| Marple Slough | Williams | 48.412715 | -103.538947 |
| Martin Lakes | Burke | 48.639398 | -102.339277 |
| Martinsen Lake | Burke | 48.616732 | -102.389721 |
| Mauvais Coulee | Towner | 48.394914 | -99.111429 |
| May Lake | McIntosh | 46.245518 | -99.548509 |
| Mazey Lake | Rolette | 48.998421 | -99.916813 |
| Mc Cone Lake | Divide | 48.938552 | -104.017421 |
| Mc Donald Lake | Barnes | 46.957267 | -98.077678 |
| Mc Hugh Slough | Nelson | 48.099002 | -98.255485 |
| Mc Kenna Lake | Logan | 46.487796 | -99.805788 |
| Mc Laughlin Lake | Rolette | 48.857459 | -99.522946 |
| Mc Leod Lake | Williams | 48.338068 | -103.175626 |
| Mc Mann Lake | Ward | 47.850732 | -101.120410 |
| Meander Lake | Stutsman | 47.207037 | -99.348304 |
| Mellam Lake | Ward | 48.067319 | -101.622360 |
| Merrills Slough | Burke | 48.606615 | -102.426084 |
| Meszaros Slough | Sargent | 46.054155 | -97.860093 |
| Metigoshe Lake | Bottineau | 48.976242 | -100.352910 |
| Mikes Lake | Ramsey | 48.308574 | -99.048253 |
| Mill Lake | Rolette | 48.941281 | -99.805441 |
| Miller Slough | Mountrail | 48.449028 | -102.313066 |
| Minehan Slough | McLean | 47.677012 | -101.818658 |
| Minnie Lake | Barnes | 47.096888 | -97.767988 |
| Mirror Lake | Adams | 45.996446 | -102.638456 |
| Mitchell Lake | Burleigh | 47.172172 | -100.300576 |
| Moesner Lake | Sheridan | 47.795560 | -100.541975 |
| Moffet Slough | Dunn | 47.291229 | -102.606732 |
| Montgomery Lake | Rolette | 48.930878 | -99.770266 |
| Moon Lake | Barnes | 46.863146 | -98.592441 |
| Moore Lake | Towner | 48.914697 | -99.296966 |
| Moran Lake | Richland | 46.040331 | -97.017528 |
| Mork Lake | Ward | 48.130682 | -101.574984 |
| Morrison Lake | Ramsey | 48.229006 | -98.839599 |
| Mullet Lake | Rolette | 48.937794 | -99.785172 |
| Muskie Lake | Burke | 48.681253 | -102.676451 |
| Muskrat Lake | Mountrail | 47.860293 | -102.451739 |
| Musta Lake | Divide | 48.713840 | -103.593422 |
| Myer Lake | Rolette | 48.963760 | -100.057197 |