| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Jackins Settlement | city | Maine | United States | 46.02 | -67.82 | 830 | |
| Jackman | city | Maine | United States | 45.62 | -70.25 | 1200 | |
| Jackman Corner | city | Maine | United States | 45.09 | -69.34 | 830 | |
| Jackman Mill (historical) | city | Maine | United States | 45.65 | -70.25 | 1233 | |
| Jackson | city | Maine | United States | 44.61 | -69.12 | 400 | |
| Jacksonville | city | Maine | United States | 44.76 | -67.40 | 39 | |
| Jay | city | Maine | United States | 44.50 | -70.22 | 400 | |
| Jefferson | city | Maine | United States | 44.21 | -69.45 | 150 | |
| Jemtland | city | Maine | United States | 47.01 | -68.14 | 830 | |
| Jenks Landing | city | Maine | United States | 43.72 | -70.12 | 0 | |
| Jewells Corner | city | Maine | United States | 46.34 | -67.84 | 830 | |
| Jewett | city | Maine | United States | 43.21 | -70.79 | 167 | |
| Johnson Corner | city | Maine | United States | 45.04 | -69.82 | 830 | |
| Johnson Corner | city | Maine | United States | 44.91 | -69.32 | 298 | |
| Jones Corner | city | Maine | United States | 44.36 | -69.40 | 830 | |
| Jones Corner | city | Maine | United States | 44.26 | -69.46 | 249 | |
| Jones Mill | city | Maine | United States | 47.10 | -68.85 | 1669 | |
| Jones Wharf | city | Maine | United States | 43.66 | -70.20 | 19 | |
| Jonesboro | city | Maine | United States | 44.66 | -67.57 | 49 | |
| Jonesport | city | Maine | United States | 44.53 | -67.60 | 0 | |
| Jordan Mills | city | Maine | United States | 45.55 | -68.38 | 200 | |
| Joyville | city | Maine | United States | 44.56 | -68.47 | 141 | |
| Jumbo Landing | city | Maine | United States | 45.21 | -67.88 | 305 |