| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Mabaruma | city | Barima-Waini | Guyana | 8.20 | -59.78 | 45 | 545 |
| MacDonald | city | Upper Takutu-Upper Essequibo | Guyana | 3.52 | -59.55 | 830 | 0 |
| Macaw | city | East Berbice-Corentyne | Guyana | 6.08 | -57.58 | 19 | 586 |
| Machabo | city | Pomeroon-Supenaam | Guyana | 7.05 | -58.55 | 19 | 882 |
| Mackenzie | city | Upper Demerara-Berbice | Guyana | 6.01 | -58.30 | 164 | 8299 |
| Macouba | city | Mahaica-Berbice | Guyana | 6.38 | -57.79 | 6 | 1043 |
| Macusi Village | city | Upper Takutu-Upper Essequibo | Guyana | 3.07 | -59.72 | 830 | 0 |
| Mahaica Village | city | Demerara-Mahaica | Guyana | 6.68 | -57.92 | 3 | 55613 |
| Mahaicony | city | Mahaica-Berbice | Guyana | 6.58 | -57.80 | 3 | 7575 |
| Mahaicony Village | city | Mahaica-Berbice | Guyana | 6.58 | -57.80 | 3 | 7575 |
| Mahdia | city | Potaro-Siparuni | Guyana | 5.27 | -59.15 | 1669 | 104 |
| Maikwak | city | Potaro-Siparuni | Guyana | 4.92 | -59.82 | 4189 | 0 |
| Makari | city | Potaro-Siparuni | Guyana | 4.55 | -58.55 | 101 | 0 |
| Makasima | city | Pomeroon-Supenaam | Guyana | 7.25 | -58.72 | 98 | 894 |
| Makouria | city | Essequibo Islands-West Demerara | Guyana | 6.48 | -58.58 | 3 | 87 |
| Malali | city | Upper Demerara-Berbice | Guyana | 5.62 | -58.35 | 272 | 0 |
| Mamir Pawa | city | Upper Takutu-Upper Essequibo | Guyana | 1.97 | -59.73 | 830 | 14 |
| Manaka | city | Essequibo Islands-West Demerara | Guyana | 6.71 | -58.60 | 0 | 167 |
| Manarabisi | city | East Berbice-Corentyne | Guyana | 5.95 | -57.36 | 3 | 447 |
| Manari | city | Upper Takutu-Upper Essequibo | Guyana | 3.43 | -59.77 | 830 | 706 |
| Manari | city | Barima-Waini | Guyana | 7.52 | -59.83 | 830 | 149 |
| Manari Village | city | Barima-Waini | Guyana | 7.52 | -59.83 | 830 | 149 |
| Manawarin | city | Barima-Waini | Guyana | 7.58 | -58.87 | 36 | 837 |
| Mango Tree Landing | city | Essequibo Islands-West Demerara | Guyana | 6.28 | -58.35 | 190 | 291 |
| Mapruka | city | Potaro-Siparuni | Guyana | 4.88 | -60.00 | 2509 | 48 |
| Marakanata | city | Upper Takutu-Upper Essequibo | Guyana | 3.60 | -59.55 | 324 | 0 |
| Maramara Landing | city | Cuyuni-Mazaruni | Guyana | 6.30 | -59.33 | 114 | 0 |
| Margot | city | Demerara-Mahaica | Guyana | 6.81 | -58.06 | 3 | 32585 |
| Maria | city | East Berbice-Corentyne | Guyana | 5.84 | -57.66 | 49 | 638 |
| Maria Johanna | city | Essequibo Islands-West Demerara | Guyana | 6.94 | -58.46 | 3 | 153 |
| Maria and Wenard | city | East Berbice-Corentyne | Guyana | 5.84 | -57.66 | 49 | 638 |
| Mariwa Village | city | Upper Takutu-Upper Essequibo | Guyana | 3.05 | -59.67 | 830 | 0 |
| Marlborough | city | Pomeroon-Supenaam | Guyana | 7.49 | -58.64 | 13 | 839 |
| Marowa | city | Demerara-Mahaica | Guyana | 6.44 | -58.03 | 45 | 13572 |
| Martins Burial Ground | city | Mahaica-Berbice | Guyana | 6.53 | -57.89 | 3 | 6919 |
| Maruranau | city | Upper Takutu-Upper Essequibo | Guyana | 2.75 | -59.17 | 1017 | 0 |
| Maruranawa | city | Upper Takutu-Upper Essequibo | Guyana | 2.75 | -59.17 | 1017 | 0 |
| Marurawana | city | Upper Takutu-Upper Essequibo | Guyana | 2.75 | -59.17 | 1017 | 0 |
| Marurawaunawa | city | Upper Takutu-Upper Essequibo | Guyana | 2.75 | -59.17 | 1017 | 0 |
| Marurawaunawa Village | city | Upper Takutu-Upper Essequibo | Guyana | 2.75 | -59.17 | 1017 | 0 |
| Mary & Eliza | city | East Berbice-Corentyne | Guyana | 5.90 | -57.15 | 3 | 842 |
| Mary and Eliza | city | East Berbice-Corentyne | Guyana | 5.90 | -57.15 | 3 | 842 |
| Masabona | city | Upper Demerara-Berbice | Guyana | 5.60 | -58.38 | 272 | 0 |
| Massakura | city | Upper Demerara-Berbice | Guyana | 5.13 | -58.62 | 830 | 0 |
| Massara | city | Upper Takutu-Upper Essequibo | Guyana | 3.90 | -59.30 | 285 | 0 |
| Massara | city | Upper Takutu-Upper Essequibo | Guyana | 4.03 | -58.43 | 242 | 0 |
| Massara Village | city | Upper Takutu-Upper Essequibo | Guyana | 3.90 | -59.30 | 285 | 0 |
| Massiah | city | East Berbice-Corentyne | Guyana | 5.94 | -57.17 | 3 | 870 |
| Matthews Ridge | city | Barima-Waini | Guyana | 7.49 | -60.15 | 311 | 149 |
| Maurasima | city | Potaro-Siparuni | Guyana | 5.40 | -59.15 | 912 | 0 |
| Mazaruni | city | Cuyuni-Mazaruni | Guyana | 6.40 | -58.65 | 3 | 5650 |
| Mc Doom | city | Demerara-Mahaica | Guyana | 6.78 | -58.17 | 3 | 44776 |
| McDoom Village | city | Demerara-Mahaica | Guyana | 6.78 | -58.17 | 3 | 44776 |
| McKenzie | city | Upper Demerara-Berbice | Guyana | 6.01 | -58.30 | 164 | 8299 |
| McTurk | city | Upper Takutu-Upper Essequibo | Guyana | 3.80 | -59.40 | 830 | 0 |
| Meadow Bank | city | Demerara-Mahaica | Guyana | 6.79 | -58.17 | 3 | 41447 |
| Meadow Brook Gardens | city | Demerara-Mahaica | Guyana | 6.80 | -58.14 | 3 | 39398 |
| Melanie Damishana | city | Demerara-Mahaica | Guyana | 6.78 | -58.00 | 0 | 69100 |
| Melville | city | Essequibo Islands-West Demerara | Guyana | 6.97 | -58.47 | 3 | 120 |
| Melvilles Ranch | city | Upper Takutu-Upper Essequibo | Guyana | 2.83 | -59.52 | 830 | 0 |
| Meritizero | city | Upper Takutu-Upper Essequibo | Guyana | 3.75 | -59.58 | 830 | 3 |
| Meruwang | city | Cuyuni-Mazaruni | Guyana | 5.82 | -61.00 | 1742 | 0 |
| Mibikuri | city | East Berbice-Corentyne | Guyana | 6.11 | -57.28 | 3 | 447 |
| Minata | city | Cuyuni-Mazaruni | Guyana | 5.95 | -60.60 | 1253 | 0 |
| Mission Landing | city | Barima-Waini | Guyana | 7.76 | -59.86 | 301 | 149 |
| Mobay Pond | city | Upper Demerara-Berbice | Guyana | 5.17 | -58.63 | 830 | 0 |
| Moca Moca | city | Mahaica-Berbice | Guyana | 6.47 | -57.79 | 3 | 1257 |
| Moco-Moco | city | Upper Takutu-Upper Essequibo | Guyana | 3.33 | -59.67 | 1072 | 0 |
| Moco-Moco Village | city | Upper Takutu-Upper Essequibo | Guyana | 3.33 | -59.67 | 1072 | 0 |
| Mocomoco | city | Mahaica-Berbice | Guyana | 6.47 | -57.79 | 3 | 1257 |
| Mokamoka | city | Cuyuni-Mazaruni | Guyana | 6.70 | -58.98 | 36 | 0 |
| Mon Desir | city | Essequibo Islands-West Demerara | Guyana | 6.72 | -58.26 | 13 | 9902 |
| Mongreppo | city | Cuyuni-Mazaruni | Guyana | 6.40 | -58.62 | 3 | 5650 |
| Monkey Jump | city | Upper Demerara-Berbice | Guyana | 6.25 | -58.57 | 13 | 0 |
| Monkey Mountain | city | Potaro-Siparuni | Guyana | 4.48 | -59.68 | 1669 | 0 |
| Mora Point | city | Mahaica-Berbice | Guyana | 6.44 | -57.78 | 9 | 1043 |
| Moraikobe | city | Mahaica-Berbice | Guyana | 6.10 | -57.95 | 82 | 1043 |
| Moraru Landing | city | Pomeroon-Supenaam | Guyana | 7.16 | -58.68 | 65 | 894 |
| Morasi | city | Essequibo Islands-West Demerara | Guyana | 6.76 | -58.49 | 3 | 186 |
| Morawhanna | city | Barima-Waini | Guyana | 8.27 | -59.75 | 19 | 148 |
| Moreiro | city | Upper Takutu-Upper Essequibo | Guyana | 3.90 | -59.55 | 354 | 52 |
| Moreiru | city | Upper Takutu-Upper Essequibo | Guyana | 3.90 | -59.55 | 354 | 52 |
| Morowta | city | Cuyuni-Mazaruni | Guyana | 5.75 | -60.58 | 1669 | 0 |
| Mortice | city | Mahaica-Berbice | Guyana | 6.52 | -57.82 | 3 | 7701 |
| Mount Everard | city | Barima-Waini | Guyana | 7.82 | -59.47 | 124 | 149 |
| Mount Terminus | city | Barima-Waini | Guyana | 7.84 | -59.45 | 124 | 149 |
| Mountain Point | city | Upper Takutu-Upper Essequibo | Guyana | 3.00 | -59.63 | 1017 | 0 |
| Mountain View | city | Upper Takutu-Upper Essequibo | Guyana | 3.52 | -59.55 | 830 | 0 |
| Mubohina | city | Barima-Waini | Guyana | 7.58 | -59.13 | 196 | 149 |
| Muriakundi | city | Cuyuni-Mazaruni | Guyana | 7.17 | -60.13 | 328 | 148 |
| Muriwa Village | city | Upper Takutu-Upper Essequibo | Guyana | 3.05 | -59.67 | 830 | 0 |
| Muruakundi | city | Cuyuni-Mazaruni | Guyana | 7.17 | -60.13 | 328 | 148 |
| Muruwawe Village | city | Cuyuni-Mazaruni | Guyana | 6.47 | -61.15 | 324 | 56 |
| Mutusi Hole | city | Cuyuni-Mazaruni | Guyana | 6.01 | -58.97 | 72 | 0 |