| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| MBeida | city | Region du Guidimaka | Mauritania | 15.53 | -12.09 | 209 | 596 |
| MOM (Letfotar Airport) | airport | Mauritania | 17.75 | -12.50 | 256 | 0 | |
| Ma Toueila | city | Region du Hodh Ech Chargui | Mauritania | 16.68 | -6.07 | 1062 | 149 |
| Madel | city | Region du Hodh Ech Chargui | Mauritania | 15.63 | -8.63 | 777 | 447 |
| Madina | city | Region du Hodh El Gharbi | Mauritania | 15.44 | -10.12 | 748 | 298 |
| Mafondou | city | Region du Gorgol | Mauritania | 16.14 | -13.21 | 45 | 1043 |
| Mafounâdich | city | Region du Hodh Ech Chargui | Mauritania | 16.19 | -7.57 | 705 | 149 |
| Magama | city | Region du Gorgol | Mauritania | 15.51 | -12.85 | 68 | 10610 |
| Maghama | city | Region du Gorgol | Mauritania | 15.51 | -12.85 | 68 | 10610 |
| Magta-lahjar | city | Region du Brakna | Mauritania | 17.51 | -13.09 | 324 | 149 |
| Magta` Lahjar | city | Region du Brakna | Mauritania | 17.51 | -13.09 | 324 | 149 |
| Magṭa‘ Laḥjar | city | Region du Brakna | Mauritania | 17.51 | -13.09 | 324 | 149 |
| Maham ej Jeireb | city | Region du Hodh El Gharbi | Mauritania | 16.31 | -9.99 | 748 | 285 |
| Mahkem Akrich | city | Region du Hodh El Gharbi | Mauritania | 16.93 | -9.14 | 616 | 149 |
| Mahkem Aouarouâr | city | Region du Hodh El Gharbi | Mauritania | 16.88 | -9.37 | 629 | 149 |
| Mahkem el 'Akrich | city | Region du Hodh El Gharbi | Mauritania | 16.93 | -9.14 | 616 | 149 |
| Mahkem el ’Akrîch | city | Region du Hodh El Gharbi | Mauritania | 16.93 | -9.14 | 616 | 149 |
| Makadougou | city | Region du Guidimaka | Mauritania | 14.90 | -12.21 | 164 | 596 |
| Makhana | city | Region du Brakna | Mauritania | 16.29 | -13.58 | 134 | 739 |
| Makrédi | city | Region du Hodh El Gharbi | Mauritania | 15.45 | -9.61 | 705 | 1612 |
| Makteïr | city | Region du Tiris Zemmour | Mauritania | 22.30 | -9.50 | 780 | 0 |
| Mamaeli | city | Region du Guidimaka | Mauritania | 15.09 | -12.23 | 183 | 596 |
| Mame Diak | city | Region du Brakna | Mauritania | 16.68 | -14.70 | 42 | 304 |
| Mansour | city | Region du Hodh Ech Chargui | Mauritania | 15.63 | -5.67 | 948 | 149 |
| Maoudass | city | Region de l' Assaba | Mauritania | 15.55 | -10.90 | 744 | 298 |
| Mara | city | Region du Hodh El Gharbi | Mauritania | 15.45 | -10.37 | 485 | 470 |
| Marandebe | city | Region de l' Assaba | Mauritania | 15.15 | -10.89 | 226 | 375 |
| Marane | city | Region de l' Assaba | Mauritania | 15.22 | -10.84 | 246 | 804 |
| Mareifa | city | Region du Gorgol | Mauritania | 16.14 | -13.27 | 75 | 1043 |
| Marhandyé | city | Region du Hodh Ech Chargui | Mauritania | 15.57 | -7.12 | 843 | 298 |
| Marsila | city | Region du Hodh El Gharbi | Mauritania | 15.49 | -9.62 | 646 | 607 |
| Masa Fwètyé | city | Region du Hodh Ech Chargui | Mauritania | 15.56 | -6.04 | 1013 | 149 |
| Massa Fouètyé | city | Region du Hodh Ech Chargui | Mauritania | 15.56 | -6.04 | 1013 | 149 |
| Massam | city | Region du Guidimaka | Mauritania | 15.15 | -11.90 | 121 | 596 |
| Massar | city | Region du Guidimaka | Mauritania | 15.15 | -11.90 | 121 | 596 |
| Mbagne | city | Region du Brakna | Mauritania | 16.14 | -13.79 | 45 | 2376 |
| Mbahe | city | Region du Brakna | Mauritania | 16.24 | -13.76 | 78 | 2980 |
| Mbak el Halfa | city | Region du Trarza | Mauritania | 18.62 | -14.25 | 124 | 0 |
| Mbalou | city | Region du Guidimaka | Mauritania | 15.02 | -12.07 | 190 | 596 |
| Mbedia-Achar | city | Region du Guidimaka | Mauritania | 15.53 | -12.09 | 209 | 596 |
| Mbeidi | city | Region du Gorgol | Mauritania | 16.28 | -13.08 | 118 | 907 |
| Mbeidia | city | Region du Guidimaka | Mauritania | 15.53 | -12.09 | 209 | 596 |
| Mbeikat el Hrenaver | city | Region du Hodh Ech Chargui | Mauritania | 15.96 | -8.56 | 715 | 447 |
| Mbich | city | Region du Hodh Ech Chargui | Mauritania | 15.53 | -8.76 | 800 | 593 |
| Mbidane Alambe | city | Region du Gorgol | Mauritania | 16.26 | -13.49 | 141 | 1043 |
| Mbidane el Ambat | city | Region du Gorgol | Mauritania | 16.26 | -13.49 | 141 | 1043 |
| Mbome Kawal | city | Region du Guidimaka | Mauritania | 15.14 | -12.48 | 101 | 596 |
| Mboto | city | Region du Brakna | Mauritania | 16.23 | -13.86 | 52 | 2911 |
| Mbotto | city | Region du Brakna | Mauritania | 16.23 | -13.86 | 52 | 2911 |
| Mboul | city | District de)) ((Nouakchott | Mauritania | 15.80 | -13.22 | 36 | 1043 |
| Mboul | city | District de)) ((Nouakchott | Mauritania | 16.70 | -15.13 | 39 | 628 |
| Mbout | city | Region du Gorgol | Mauritania | 16.02 | -12.58 | 95 | 1379 |
| Mbout Chorfa | city | Region du Gorgol | Mauritania | 16.00 | -12.58 | 101 | 1379 |
| Mbéikat el Méhari | city | Region du Hodh Ech Chargui | Mauritania | 15.81 | -8.70 | 741 | 447 |
| Mbéyétarh | city | Region du Hodh Ech Chargui | Mauritania | 15.98 | -7.88 | 813 | 293 |
| Mdeine | city | Region de l' Adrar | Mauritania | 22.18 | -7.73 | 1131 | 0 |
| Mdeinet Ouerzeg | city | Region du Trarza | Mauritania | 18.50 | -14.64 | 72 | 0 |
| Mdenet Bouirat El Rhos | city | District de)) ((Nouakchott | Mauritania | 25.97 | -9.92 | 1309 | 0 |
| Mdenet Bouirat el Rhas | city | District de)) ((Nouakchott | Mauritania | 25.97 | -9.92 | 1309 | 0 |
| Medalla | city | Region du Hodh Ech Chargui | Mauritania | 15.51 | -5.59 | 967 | 149 |
| Medd Allah | city | Region du Hodh Ech Chargui | Mauritania | 15.51 | -5.59 | 967 | 149 |
| Mederdra | city | Region du Trarza | Mauritania | 16.90 | -15.76 | 118 | 298 |
| Meftaha | city | Region du Hodh Ech Chargui | Mauritania | 16.18 | -7.47 | 741 | 149 |
| Megsem Boubakar | city | Region du Tagant | Mauritania | 18.00 | -11.59 | 1404 | 42 |
| Megta el Gdim | city | Region de l' Adrar | Mauritania | 19.38 | -11.94 | 505 | 0 |
| Megta' Icikiane | city | Region de l' Adrar | Mauritania | 19.30 | -12.43 | 495 | 0 |
| Megṭa’ Içikiâne | city | Region de l' Adrar | Mauritania | 19.30 | -12.43 | 495 | 0 |
| Mehouene Tichtaye | city | Region du Hodh Ech Chargui | Mauritania | 16.61 | -5.89 | 1049 | 149 |
| Meimoun | city | District de)) ((Nouakchott | Mauritania | 24.32 | -11.87 | 1148 | 0 |
| Meit Tichtayya | city | Region du Hodh Ech Chargui | Mauritania | 16.61 | -5.89 | 1049 | 149 |
| Melsem Dami | city | Region du Hodh El Gharbi | Mauritania | 16.88 | -9.50 | 675 | 149 |
| Melzem Dami | city | Region du Hodh El Gharbi | Mauritania | 16.88 | -9.50 | 675 | 149 |
| Melzem Hasba | city | Region du Brakna | Mauritania | 17.61 | -12.68 | 482 | 149 |
| Melzem ed Dami | city | Region du Hodh El Gharbi | Mauritania | 16.88 | -9.50 | 675 | 149 |
| Melzem el Barouk | city | Region du Hodh El Gharbi | Mauritania | 16.94 | -10.48 | 971 | 149 |
| Melzem el Gaiguein | city | Region du Brakna | Mauritania | 17.62 | -12.61 | 479 | 149 |
| Melzem el Gajja | city | Region du Brakna | Mauritania | 17.62 | -12.61 | 479 | 149 |
| Melzem el Hacba | city | Region du Brakna | Mauritania | 17.61 | -12.68 | 482 | 149 |
| Memrhar | city | Region de Dakhlet Nouadhibou | Mauritania | 19.34 | -16.54 | 0 | 0 |
| Merken Aourwar | city | Region du Hodh El Gharbi | Mauritania | 16.88 | -9.37 | 629 | 149 |
| Merkene Aourouar | city | Region du Hodh El Gharbi | Mauritania | 16.88 | -9.37 | 629 | 149 |
| Mesoûd | city | Region du Hodh El Gharbi | Mauritania | 17.49 | -10.25 | 780 | 130 |
| Messaou | city | Region du Hodh El Gharbi | Mauritania | 17.49 | -10.25 | 780 | 130 |
| Messaoud | city | Region du Trarza | Mauritania | 17.84 | -14.80 | 157 | 0 |
| Messelse | city | Region du Hodh El Gharbi | Mauritania | 15.49 | -10.36 | 501 | 301 |
| Metgâdda | city | Region du Hodh Ech Chargui | Mauritania | 17.02 | -6.24 | 1089 | 0 |
| Meïlaha | city | Region du Guidimaka | Mauritania | 15.31 | -11.90 | 285 | 596 |
| Meït Tichtaya | city | Region du Hodh Ech Chargui | Mauritania | 16.61 | -5.89 | 1049 | 149 |
| Mhales el Hamra | city | District de)) ((Nouakchott | Mauritania | 26.65 | -8.10 | 1387 | 0 |
| Mheϊnine | city | Region de l' Adrar | Mauritania | 20.66 | -12.89 | 833 | 0 |
| Miloatane | city | Region du Guidimaka | Mauritania | 15.94 | -12.06 | 278 | 590 |
| Mils | city | Region du Hodh Ech Chargui | Mauritania | 15.86 | -7.15 | 918 | 298 |
| Mjihil | city | Region de l' Assaba | Mauritania | 17.03 | -11.41 | 505 | 596 |
| Mkhaïzine | city | Region de l' Assaba | Mauritania | 15.96 | -11.25 | 400 | 298 |
| Mkheiriba | city | Region de l' Adrar | Mauritania | 21.41 | -11.68 | 1801 | 0 |
| Mkhériba | city | Region de l' Adrar | Mauritania | 21.41 | -11.68 | 1801 | 0 |
| Mleizem el Ahmar | city | District de)) ((Nouakchott | Mauritania | 16.98 | -9.62 | 728 | 149 |
| Mogfha al Kolim | city | Region de l' Adrar | Mauritania | 19.38 | -11.94 | 505 | 0 |
| Mohili | city | Region de l' Assaba | Mauritania | 15.20 | -10.94 | 351 | 339 |
| Moi Moi | city | Region du Trarza | Mauritania | 16.73 | -14.57 | 78 | 149 |
| Mokhrîza | city | Region du Hodh Ech Chargui | Mauritania | 16.32 | -6.63 | 1007 | 149 |
| Mokrai-Mara | city | Region du Guidimaka | Mauritania | 15.76 | -12.25 | 144 | 596 |
| Mokta el Kdim | city | Region de l' Adrar | Mauritania | 19.38 | -11.94 | 505 | 0 |
| Molbeo | city | Region du Hodh Ech Chargui | Mauritania | 15.92 | -7.40 | 774 | 298 |
| Monguel | city | Region du Gorgol | Mauritania | 16.42 | -13.14 | 232 | 801 |
| Monguel Foubdé Diéri | city | Region du Gorgol | Mauritania | 16.37 | -13.12 | 219 | 894 |
| Monguel Tounde | city | Region du Gorgol | Mauritania | 16.41 | -13.13 | 219 | 865 |
| Moribougou | city | Region du Hodh El Gharbi | Mauritania | 15.52 | -9.49 | 603 | 597 |
| Mostaka | city | Region du Hodh Ech Chargui | Mauritania | 16.18 | -7.47 | 741 | 149 |
| Moudiat | city | Region du Hodh El Gharbi | Mauritania | 15.46 | -9.54 | 725 | 1133 |
| Moudjeria | city | Region du Tagant | Mauritania | 17.87 | -12.33 | 498 | 106 |
| Moudji Babangol | city | Region du Guidimaka | Mauritania | 15.05 | -12.31 | 118 | 596 |
| Moudji Youroufa | city | Region du Guidimaka | Mauritania | 15.05 | -12.31 | 118 | 596 |
| Moudreize | city | District de)) ((Nouakchott | Mauritania | 17.45 | -7.40 | 977 | 0 |
| Mouit | city | Region du Brakna | Mauritania | 16.58 | -13.09 | 249 | 511 |
| Moujoufan | city | Region du Hodh Ech Chargui | Mauritania | 15.72 | -7.62 | 925 | 298 |
| Moujoufane | city | Region du Hodh Ech Chargui | Mauritania | 15.72 | -7.62 | 925 | 298 |
| Moulessimou | city | Region du Guidimaka | Mauritania | 14.84 | -12.33 | 49 | 1359 |
| Mounan el Kebir | city | Region de l' Adrar | Mauritania | 21.40 | -11.66 | 1870 | 0 |
| Mounan el Srir | city | Region de l' Adrar | Mauritania | 21.35 | -11.65 | 1833 | 0 |
| Mounan es Srir | city | Region de l' Adrar | Mauritania | 21.35 | -11.65 | 1833 | 0 |
| Mounane el Kbîr | city | Region de l' Adrar | Mauritania | 21.40 | -11.66 | 1870 | 0 |
| Mounane es Srhir | city | Region de l' Adrar | Mauritania | 21.35 | -11.65 | 1833 | 0 |
| Mounguel | city | Region du Gorgol | Mauritania | 16.42 | -13.14 | 232 | 801 |
| Mounor | city | Region du Hodh Ech Chargui | Mauritania | 15.58 | -8.79 | 774 | 447 |
| Mourtogal Gâr | city | Region du Brakna | Mauritania | 16.42 | -13.84 | 137 | 713 |
| Mourtogal Gâr | city | Region du Brakna | Mauritania | 16.24 | -13.80 | 72 | 2980 |
| Mousfouaye | city | Region du Hodh Ech Chargui | Mauritania | 15.65 | -8.59 | 787 | 447 |
| Mousfoueye | city | Region du Hodh Ech Chargui | Mauritania | 15.53 | -7.21 | 869 | 298 |
| Mousfwaye | city | Region du Hodh Ech Chargui | Mauritania | 15.65 | -8.59 | 787 | 447 |
| Mousfweuyeu | city | Region du Hodh Ech Chargui | Mauritania | 15.53 | -7.21 | 869 | 298 |
| Moussala | city | Region de l' Assaba | Mauritania | 15.19 | -10.92 | 495 | 315 |
| Moussasta | city | Region du Guidimaka | Mauritania | 15.28 | -12.09 | 341 | 596 |
| Moussoufoye | city | Region du Hodh El Gharbi | Mauritania | 15.54 | -9.53 | 649 | 596 |
| Moutahala | city | Region du Guidimaka | Mauritania | 15.38 | -11.94 | 426 | 596 |
| Moutahala | city | Region du Guidimaka | Mauritania | 15.46 | -11.90 | 469 | 596 |
| Mouteboul | city | District de)) ((Nouakchott | Mauritania | 24.43 | -11.95 | 1046 | 0 |
| Moutogagar | city | Region du Brakna | Mauritania | 16.24 | -13.80 | 72 | 2980 |
| Moutogalgar | city | Region du Brakna | Mauritania | 16.42 | -13.84 | 137 | 713 |
| Mouzeneibe | city | District de)) ((Nouakchott | Mauritania | 16.52 | -7.23 | 866 | 149 |
| Mouénité | city | Region du Gorgol | Mauritania | 15.77 | -12.57 | 144 | 596 |
| Mouénité | city | Region du Gorgol | Mauritania | 15.76 | -12.55 | 154 | 596 |
| Moïbra | city | Region du Hodh El Gharbi | Mauritania | 15.57 | -10.03 | 623 | 298 |
| Moït | city | Region du Brakna | Mauritania | 16.58 | -13.09 | 249 | 511 |
| Mreimida Haratine | city | Region du Hodh El Gharbi | Mauritania | 16.80 | -10.75 | 935 | 149 |
| Mreimidet el Bidane | city | Region du Hodh El Gharbi | Mauritania | 16.80 | -10.76 | 997 | 149 |
| Mreimidet el Haratine | city | Region du Hodh El Gharbi | Mauritania | 16.80 | -10.75 | 935 | 149 |
| Mreïmida Beïdane | city | Region du Hodh El Gharbi | Mauritania | 16.80 | -10.76 | 997 | 149 |
| Mreïmida Haratin | city | Region du Hodh El Gharbi | Mauritania | 16.80 | -10.75 | 935 | 149 |
| Mta Meidit | city | Region du Hodh Ech Chargui | Mauritania | 15.65 | -8.71 | 770 | 447 |
| Mta Meydit | city | Region du Hodh Ech Chargui | Mauritania | 15.65 | -8.71 | 770 | 447 |
| Mtaila | city | Region du Brakna | Mauritania | 16.55 | -13.29 | 249 | 149 |
| Mtaïlha | city | Region du Brakna | Mauritania | 16.55 | -13.29 | 249 | 149 |
| Mtihil | city | Region de l' Assaba | Mauritania | 17.03 | -11.41 | 505 | 596 |
| Mzaimid | city | Region du Hodh Ech Chargui | Mauritania | 15.66 | -7.02 | 866 | 298 |
| Mzarzag | city | Region de l' Assaba | Mauritania | 15.64 | -10.92 | 702 | 298 |
| Mzaymid | city | Region du Hodh Ech Chargui | Mauritania | 15.66 | -7.02 | 866 | 298 |
| Mâtla Karich | city | Region du Hodh Ech Chargui | Mauritania | 15.96 | -6.38 | 1095 | 297 |
| Médala | city | Region du Hodh Ech Chargui | Mauritania | 15.51 | -5.59 | 967 | 149 |
| Môdi Foûnti | city | Region de l' Assaba | Mauritania | 16.83 | -12.83 | 226 | 323 |
| Mônguel Foulbé Diéri | city | Region du Gorgol | Mauritania | 16.37 | -13.12 | 219 | 894 |
| Mônguel Touldé | city | Region du Gorgol | Mauritania | 16.41 | -13.13 | 219 | 865 |