| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Jern | city | Nordland | Norway | 68.24 | 16.63 | 0 | 90 |
| Jernak | city | Al Hasakah | Syria | 37.07 | 41.26 | 1669 | 244085 |
| Jernaya | city | Liban-Sud | Lebanon | 33.49 | 35.47 | 1669 | 26166 |
| Jernaz | city | Al Hasakah | Syria | 35.99 | 40.77 | 830 | 10132 |
| Jernbaugen | city | Vestfold | Norway | 59.00 | 9.78 | 0 | 1319 |
| Jernbaugen | city | Vestfold | Norway | 59.00 | 9.78 | 0 | 1319 |
| Jernbjerggarden | city | Sjaelland | Denmark | 55.42 | 11.35 | 141 | 20412 |
| Jernbjerggård | city | Sjaelland | Denmark | 55.42 | 11.35 | 141 | 20412 |
| Jernbo | city | Vastra Gotaland | Sweden | 57.90 | 12.25 | 357 | 1119 |
| Jerne | city | Syddanmark | Denmark | 55.48 | 8.47 | 36 | 23950 |
| Jerneganville | city | Massachusetts | United States | 41.40 | -70.56 | 49 | |
| Jernej | city | Slovenske Konjice | Slovenia | 46.32 | 15.52 | 1046 | 8093 |
| Jernej pri Locah | city | Slovenske Konjice | Slovenia | 46.32 | 15.52 | 1046 | 8093 |
| Jerneja Vas | city | Crnomelj | Slovenia | 45.55 | 15.17 | 830 | 9861 |
| Jernelv | city | Finnmark | Norway | 70.44 | 23.64 | 0 | 0 |
| Jernelva | city | Finnmark | Norway | 70.44 | 23.64 | 0 | 0 |
| Jernerud | city | Varmland | Sweden | 59.07 | 13.07 | 193 | 281 |
| Jernhestra | city | Vastra Gotaland | Sweden | 57.42 | 13.45 | 830 | 503 |
| Jernhyt | city | Syddanmark | Denmark | 55.23 | 9.33 | 157 | 7848 |
| Jernigan | city | Alabama | United States | 32.13 | -85.07 | 249 | |
| Jernigan (historical) | city | Tennessee | United States | 35.73 | -86.18 | 921 | |
| Jernigan Chapel (historical) | city | Kentucky | United States | 37.19 | -87.14 | 830 | |
| Jernigan Crossroads | city | South Carolina | United States | 34.21 | -79.95 | 164 | |
| Jernigan Subdivision | city | Tennessee | United States | 35.77 | -86.39 | 830 | |
| Jernigan Town | city | Tennessee | United States | 36.52 | -86.68 | 830 | |
| Jernigans Crossroads | city | South Carolina | United States | 34.11 | -78.90 | 101 | |
| Jernihmuda | city | Jambi | Indonesia | -2.00 | 102.70 | 387 | 2372 |
| Jernihtua | city | Jambi | Indonesia | -2.01 | 102.69 | 301 | 2265 |
| Jernija | city | Chaouia-Ouardigha | Morocco | 33.39 | -7.85 | 830 | 3427 |
| Jerningham Junction | city | Chaguanas | Trinidad and Tobago | 10.55 | -61.40 | 114 | 62891 |
| Jerniowka | city | Podkarpackie | Poland | 49.75 | 21.45 | 830 | 48254 |
| Jernkjeila | city | Finnmark | Norway | 70.47 | 26.55 | 3 | 0 |
| Jernlia | city | Nordland | Norway | 68.24 | 16.63 | 0 | 90 |
| Jernov | city | Pleven | Bulgaria | 43.65 | 24.85 | 830 | 3145 |
| Jernsalimowo | city | Haskovo | Bulgaria | 41.90 | 26.10 | 410 | 3798 |
| Jernslett | city | Troms | Norway | 69.47 | 18.00 | 3 | 98 |
| Jernved | city | Syddanmark | Denmark | 55.42 | 8.78 | 39 | 3994 |
| Jernvedlund | city | Syddanmark | Denmark | 55.42 | 8.80 | 82 | 2923 |
| Jernye | city | Presovsky | Slovakia | 49.06 | 21.06 | 1669 | 11512 |
| Jernîye | city | Ar Raqqah | Syria | 36.17 | 38.25 | 1233 | 6109 |