| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Mahoe Garden | city | Parish of Clarendon | Jamaica | 17.7333333 | -77.1333333 | 3 | 8694 |
| Mahoe Gardens | city | Parish of Clarendon | Jamaica | 17.7333333 | -77.1333333 | 3 | 8694 |
| Maimsey Valley | city | Parish of Clarendon | Jamaica | 18.05 | -77.2166667 | 784 | 27998 |
| Malmsey Valley | city | Parish of Clarendon | Jamaica | 18.05 | -77.2166667 | 784 | 27998 |
| Manhoe Gardens | city | Parish of Clarendon | Jamaica | 17.7333333 | -77.1333333 | 3 | 8694 |
| Manningfield Pen | city | Parish of Clarendon | Jamaica | 17.8833333 | -77.3 | 91 | 26341 |
| Manningsfield | city | Parish of Clarendon | Jamaica | 17.8833333 | -77.3 | 91 | 26341 |
| Mason River | city | Parish of Clarendon | Jamaica | 18.1833333 | -77.2666667 | 2070 | 21724 |
| May Pen | city | Parish of Clarendon | Jamaica | 17.9666667 | -77.2333333 | 239 | 26278 |
| Mears | city | Parish of Clarendon | Jamaica | 18.1333333 | -77.3333333 | 866 | 25167 |
| Mears | city | Parish of Clarendon | Jamaica | 18.05 | -77.2333333 | 577 | 27998 |
| Mears Pen | city | Parish of Clarendon | Jamaica | 18.05 | -77.2333333 | 577 | 27998 |
| Milk Pen | city | Parish of Clarendon | Jamaica | 17.85 | -77.3666667 | 13 | 18918 |
| Milk River | city | Parish of Clarendon | Jamaica | 17.85 | -77.3666667 | 13 | 18918 |
| Milk River Bath | city | Parish of Clarendon | Jamaica | 17.85 | -77.3666667 | 13 | 18918 |
| Minho | city | Parish of Clarendon | Jamaica | 18.1333333 | -77.3333333 | 866 | 25167 |
| Mitchell Town | city | Parish of Clarendon | Jamaica | 17.8 | -77.2 | 6 | 17968 |
| Mocho | city | Parish of Clarendon | Jamaica | 18.0333333 | -77.3333333 | 1190 | 26248 |
| Moneymuck | city | Parish of Clarendon | Jamaica | 17.75 | -77.2333333 | 167 | 11151 |
| Moneymusk Pen | city | Parish of Clarendon | Jamaica | 17.75 | -77.2333333 | 167 | 11151 |
| Montpelier | city | Parish of Clarendon | Jamaica | 18.0666667 | -77.35 | 1541 | 26332 |
| Moores | city | Parish of Clarendon | Jamaica | 18.0166667 | -77.2 | 567 | 33279 |
| Moravia | city | Parish of Clarendon | Jamaica | 18.1833333 | -77.4666667 | 2080 | 23316 |
| Moreland | city | Parish of Clarendon | Jamaica | 17.8166667 | -77.2166667 | 45 | 24021 |
| Morgans | city | Parish of Clarendon | Jamaica | 18.1 | -77.2666667 | 698 | 26234 |
| Mount Cotterall | city | Parish of Clarendon | Jamaica | 18.1 | -77.35 | 1437 | 26235 |
| Mount Lebanus | city | Parish of Clarendon | Jamaica | 18.05 | -77.3666667 | 1751 | 26332 |
| Mount Moses | city | Parish of Clarendon | Jamaica | 18.0666667 | -77.35 | 1541 | 26332 |
| Mount Nebo | city | Parish of Clarendon | Jamaica | 18.0833333 | -77.35 | 2132 | 26332 |
| Mount Pleasant | city | Parish of Clarendon | Jamaica | 18.0666667 | -77.4 | 1774 | 27231 |
| Mount Pleasant | city | Parish of Clarendon | Jamaica | 17.9333333 | -77.35 | 108 | 27418 |
| Mount Providence | city | Parish of Clarendon | Jamaica | 18.05 | -77.2833333 | 1272 | 26243 |
| Mount Zion | city | Parish of Clarendon | Jamaica | 18.1166667 | -77.3166667 | 816 | 26234 |
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