| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Jach'on | city | Kyongsang-namdo | Korea, Republic of (South) | 34.8094444 | 127.9261111 | 544 | 27919 |
| Jach'ŏn | city | Kyongsang-namdo | Korea, Republic of (South) | 34.8094444 | 127.9261111 | 544 | 27919 |
| Jeogu Ri | city | Kyongsang-namdo | Korea, Republic of (South) | 34.7338889 | 128.6102778 | 275 | 18332 |
| Jifuho | city | Kyongsang-namdo | Korea, Republic of (South) | 34.6333333 | 128.2666667 | 0 | 5251 |
| Jikei-ri | city | Kyongsang-namdo | Korea, Republic of (South) | 34.9925 | 128.063889 | 341 | 29741 |
| Jinhae | city | Kyongsang-namdo | Korea, Republic of (South) | 35.1494444 | 128.6597222 | 95 | 26126 |
| Jinhei | city | Kyongsang-namdo | Korea, Republic of (South) | 34.8408333 | 128.3844444 | 6 | 25254 |
| Jinhei-ri | city | Kyongsang-namdo | Korea, Republic of (South) | 34.8408333 | 128.3844444 | 6 | 25254 |
| Jinju | city | Kyongsang-namdo | Korea, Republic of (South) | 35.1927778 | 128.0847222 | 104 | 42203 |
| Jonan | city | Kyongsang-namdo | Korea, Republic of (South) | 35.7336111 | 127.6741667 | 1833 | 32070 |
| Jonan-do | city | Kyongsang-namdo | Korea, Republic of (South) | 35.4166667 | 128.2666667 | 538 | 42071 |
| Jonan-ri | city | Kyongsang-namdo | Korea, Republic of (South) | 35.7336111 | 127.6741667 | 1833 | 32070 |
| Jonando | city | Kyongsang-namdo | Korea, Republic of (South) | 35.2166667 | 128.5833333 | 3 | 39561 |
| Josanri | city | Kyongsang-namdo | Korea, Republic of (South) | 35.2166667 | 128.5833333 | 3 | 39561 |
| Joshin-ri | city | Kyongsang-namdo | Korea, Republic of (South) | 34.8627778 | 128.097222 | 0 | 8175 |
| Junkok-ri | city | Kyongsang-namdo | Korea, Republic of (South) | 35.25 | 128.3833333 | 65 | 42180 |
| Jutsueki | city | Kyongsang-namdo | Korea, Republic of (South) | 34.85 | 128.4833333 | 127 | 24102 |
| Jōnan | city | Kyongsang-namdo | Korea, Republic of (South) | 35.7336111 | 127.6741667 | 1833 | 32070 |
| Jōnan-dō | city | Kyongsang-namdo | Korea, Republic of (South) | 35.4166667 | 128.2666667 | 538 | 42071 |
| Jōnan-ri | city | Kyongsang-namdo | Korea, Republic of (South) | 35.7336111 | 127.6741667 | 1833 | 32070 |
| Jōnandō | city | Kyongsang-namdo | Korea, Republic of (South) | 35.2166667 | 128.5833333 | 3 | 39561 |
| Jōsanri | city | Kyongsang-namdo | Korea, Republic of (South) | 35.2166667 | 128.5833333 | 3 | 39561 |
| Jōshin-ri | city | Kyongsang-namdo | Korea, Republic of (South) | 34.8627778 | 128.097222 | 0 | 8175 |