| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Jack Monday | city | Parish of Clarendon | Jamaica | 17.9666667 | -77.2666667 | 187 | 26257 |
| Jacksons Bay | city | Parish of Clarendon | Jamaica | 17.7333333 | -77.2333333 | 0 | 11151 |
| James Hill | city | Parish of Clarendon | Jamaica | 18.1833333 | -77.35 | 1916 | 22564 |
| Johns Hall | city | Parish of Clarendon | Jamaica | 18.1666667 | -77.3666667 | 1558 | 22564 |
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