| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Jabez Corner | city | Massachusetts | United States | 41.94583 | -70.64667 | 98 | 18275 |
| Jacobs Lake Shores | city | Massachusetts | United States | 42.16167 | -70.85333 | 134 | 32268 |
| Jamaica Plain | city | Massachusetts | United States | 42.30972 | -71.12083 | 49 | 505650 |
| Jamesville | city | Massachusetts | United States | 42.23611 | -71.85417 | 610 | 93918 |
| Jamesville historical | city | Massachusetts | United States | 42.22917 | -71.84917 | 547 | 93918 |
| Jefferson | city | Massachusetts | United States | 42.36389 | -71.88139 | 800 | 13504 |
| Jefferson Shores | city | Massachusetts | United States | 41.75167 | -70.62944 | 0 | 17640 |
| Jeffries Point | city | Massachusetts | United States | 42.36528 | -71.03333 | 0 | 263238 |
| Jerneganville | city | Massachusetts | United States | 41.40167 | -70.55583 | 49 | 5332 |
| Johnson Corner | city | Massachusetts | United States | 42.06667 | -72.69444 | 269 | 33032 |
| Joppa | city | Massachusetts | United States | 42.80556 | -70.85833 | 3 | 25445 |
| Judson | city | Massachusetts | United States | 41.91667 | -71.005 | 42 | 26482 |
| June Street | city | Massachusetts | United States | 42.26861 | -71.83556 | 498 | 112055 |
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