| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Mabaruma | city | Barima-Waini Region | Guyana | 8.2 | -59.7833333 | 45 | 160 |
| MacDonald | city | Upper Takutu-Upper Essequibo Region | Guyana | 3.5166667 | -59.55 | 515 | 47 |
| Macaw | city | East Berbice-Corentyne Region | Guyana | 6.0833333 | -57.5833333 | 19 | 888 |
| Machabo | city | Pomeroon-Supenaam Region | Guyana | 7.05 | -58.55 | 19 | 1226 |
| Mackenzie | city | Upper Demerara-Berbice Region | Guyana | 6 | -58.2833333 | 157 | 397 |
| Macusi Village | city | Upper Takutu-Upper Essequibo Region | Guyana | 3.0666667 | -59.7166667 | 639 | 47 |
| Mahaica Village | city | Demerara-Mahaica Region | Guyana | 6.6833333 | -57.9166667 | 3 | 17002 |
| Mahaicony | city | Mahaica-Berbice Region | Guyana | 6.55 | -57.8 | 3 | 2018 |
| Mahaicony Village | city | Mahaica-Berbice Region | Guyana | 6.55 | -57.8 | 3 | 2018 |
| Mahdia | city | Potaro-Siparuni Region | Guyana | 5.2666667 | -59.15 | 1364 | 42 |
| Makari | city | Potaro-Siparuni Region | Guyana | 4.55 | -58.55 | 101 | 55 |
| Makouria | city | Essequibo Islands-West Demerara Region | Guyana | 6.4666667 | -58.5833333 | 3 | 2284 |
| Malali | city | Upper Demerara-Berbice Region | Guyana | 5.6166667 | -58.35 | 272 | 397 |
| Mamir Pawa | city | Upper Takutu-Upper Essequibo Region | Guyana | 1.9666667 | -59.7333333 | 593 | 57 |
| Manaka | city | Essequibo Islands-West Demerara Region | Guyana | 6.7 | -58.6166667 | 3 | 3088 |
| Manari | city | Barima-Waini Region | Guyana | 7.5166667 | -59.8333333 | 442 | 168 |
| Manari | city | Upper Takutu-Upper Essequibo Region | Guyana | 3.4333333 | -59.7666667 | 639 | 55 |
| Manari Village | city | Barima-Waini Region | Guyana | 7.5166667 | -59.8333333 | 442 | 168 |
| Manawarin | city | Barima-Waini Region | Guyana | 7.5833333 | -58.8666667 | 36 | 1216 |
| Marakanata | city | Upper Takutu-Upper Essequibo Region | Guyana | 3.6 | -59.55 | 324 | 47 |
| Maria Johanna | city | Essequibo Islands-West Demerara Region | Guyana | 6.9333333 | -58.4666667 | 3 | 2649 |
| Mariwa Village | city | Upper Takutu-Upper Essequibo Region | Guyana | 3.05 | -59.6666667 | 675 | 47 |
| Marlborough | city | Pomeroon-Supenaam Region | Guyana | 7.4833333 | -58.6333333 | 13 | 1174 |
| Martins Burial Ground | city | Demerara-Mahaica Region | Guyana | 6.5333333 | -57.8833333 | 3 | 8508 |
| Maruranau | city | Upper Takutu-Upper Essequibo Region | Guyana | 2.75 | -59.1666667 | 1017 | 47 |
| Maruranawa | city | Upper Takutu-Upper Essequibo Region | Guyana | 2.75 | -59.1666667 | 1017 | 47 |
| Marurawaunawa | city | Upper Takutu-Upper Essequibo Region | Guyana | 2.75 | -59.1666667 | 1017 | 47 |
| Marurawaunawa Village | city | Upper Takutu-Upper Essequibo Region | Guyana | 2.75 | -59.1666667 | 1017 | 47 |
| Masabona | city | Upper Demerara-Berbice Region | Guyana | 5.6 | -58.3833333 | 272 | 397 |
| Massara | city | Upper Takutu-Upper Essequibo Region | Guyana | 3.9 | -59.3 | 285 | 47 |
| Massara Village | city | Upper Takutu-Upper Essequibo Region | Guyana | 3.9 | -59.3 | 285 | 47 |
| Matthews Ridge | city | Barima-Waini Region | Guyana | 7.5 | -60.1666667 | 324 | 168 |
| McDoom Village | city | Essequibo Islands-West Demerara Region | Guyana | 6.7833333 | -58.1833333 | 3 | 14082 |
| McKenzie | city | Upper Demerara-Berbice Region | Guyana | 6 | -58.2833333 | 157 | 397 |
| McTurk | city | Upper Takutu-Upper Essequibo Region | Guyana | 3.8 | -59.4 | 593 | 47 |
| Meadow Bank | city | Essequibo Islands-West Demerara Region | Guyana | 6.8 | -58.1833333 | 3 | 9813 |
| Melville | city | Essequibo Islands-West Demerara Region | Guyana | 6.9666667 | -58.4666667 | 3 | 2308 |
| Melvilles Ranch | city | Upper Takutu-Upper Essequibo Region | Guyana | 2.8333333 | -59.5166667 | 515 | 47 |
| Meritizero | city | Upper Takutu-Upper Essequibo Region | Guyana | 3.75 | -59.5833333 | 577 | 47 |
| Meruwang | city | Cuyuni-Mazaruni Region | Guyana | 5.8166667 | -61 | 1742 | 47 |
| Mibikuri | city | East Berbice-Corentyne Region | Guyana | 6.1166667 | -57.2833333 | 3 | 674 |
| Minata | city | Cuyuni-Mazaruni Region | Guyana | 5.95 | -60.6 | 1253 | 47 |
| Mission Landing | city | Barima-Waini Region | Guyana | 7.75 | -59.8666667 | 298 | 168 |
| Moco-Moco | city | Upper Takutu-Upper Essequibo Region | Guyana | 3.3333333 | -59.6666667 | 1072 | 47 |
| Moco-Moco Village | city | Upper Takutu-Upper Essequibo Region | Guyana | 3.3333333 | -59.6666667 | 1072 | 47 |
| Mongreppo | city | Cuyuni-Mazaruni Region | Guyana | 6.4 | -58.6166667 | 3 | 230 |
| Monkey Mountain | city | Potaro-Siparuni Region | Guyana | 4.4833333 | -59.6833333 | 1456 | 42 |
| Moraikobe | city | Mahaica-Berbice Region | Guyana | 6.1 | -57.95 | 82 | 2371 |
| Morasi | city | Essequibo Islands-West Demerara Region | Guyana | 6.75 | -58.5 | 3 | 4252 |
| Morawhanna | city | Barima-Waini Region | Guyana | 8.2666667 | -59.75 | 19 | 159 |
| Moreiro | city | Upper Takutu-Upper Essequibo Region | Guyana | 3.9 | -59.55 | 354 | 116 |
| Moreiru | city | Upper Takutu-Upper Essequibo Region | Guyana | 3.9 | -59.55 | 354 | 116 |
| Morowta | city | Cuyuni-Mazaruni Region | Guyana | 5.75 | -60.5833333 | 1476 | 47 |
| Mortice | city | Mahaica-Berbice Region | Guyana | 6.5 | -57.8 | 3 | 2370 |
| Mount Everard | city | Barima-Waini Region | Guyana | 7.8166667 | -59.4666667 | 124 | 168 |
| Mountain Point | city | Upper Takutu-Upper Essequibo Region | Guyana | 3 | -59.6333333 | 1017 | 47 |
| Mountain View | city | Upper Takutu-Upper Essequibo Region | Guyana | 3.5166667 | -59.55 | 515 | 47 |
| Mubohina | city | Barima-Waini Region | Guyana | 7.5833333 | -59.1333333 | 196 | 168 |
| Muriakundi | city | Cuyuni-Mazaruni Region | Guyana | 7.1666667 | -60.1333333 | 328 | 166 |
| Muriwa Village | city | Upper Takutu-Upper Essequibo Region | Guyana | 3.05 | -59.6666667 | 675 | 47 |
| Muruakundi | city | Cuyuni-Mazaruni Region | Guyana | 7.1666667 | -60.1333333 | 328 | 166 |
| Muruwawe Village | city | Cuyuni-Mazaruni Region | Guyana | 6.4666667 | -61.15 | 324 | 130 |