| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Jamnice | city | Poland | 50.13 | 19.22 | 803 | 29582 | |
| Jankowice | city | Poland | 50.00 | 19.00 | 767 | 29172 | |
| Jankowice | city | Poland | 50.03 | 19.43 | 748 | 8636 | |
| Jankowice Rudzkie | city | Poland | 50.17 | 18.38 | 866 | 9293 | |
| Jankowice Rybnickie | city | Poland | 50.05 | 18.57 | 892 | 73721 | |
| Janowica | city | Poland | 49.88 | 19.05 | 1007 | 80952 | |
| Janów | city | Poland | 50.25 | 19.08 | 892 | 167216 | |
| Jaroszowice | city | Poland | 50.12 | 19.07 | 869 | 104484 | |
| Jaroszowiec | city | Poland | 50.33 | 19.60 | 1246 | 26104 | |
| Jarząbkowice | city | Poland | 49.92 | 18.73 | 862 | 14136 | |
| Jasiona | city | Poland | 50.48 | 18.68 | 836 | 5576 | |
| Jasten | city | Poland | 50.48 | 18.68 | 836 | 5576 | |
| Jastrzebie | city | Poland | 50.17 | 18.08 | 836 | 6379 | |
| Jastrzebie Gorne | city | Poland | 49.97 | 18.60 | 902 | 91439 | |
| Jastrzebie Zdroj | city | Poland | 49.95 | 18.58 | 853 | 74573 | |
| Jastrzębie Dolne | city | Poland | 49.95 | 18.58 | 853 | 74573 | |
| Jawiszowice | city | Poland | 49.95 | 19.15 | 875 | 29731 | |
| Jaworek | city | Poland | 50.10 | 19.35 | 882 | 37828 | |
| Jaworzno | city | Poland | 50.22 | 19.28 | 1040 | 89639 | |
| Jaworzyna | city | Poland | 50.22 | 19.28 | 1040 | 89639 | |
| Jazd Dzieckowice | city | Poland | 50.17 | 19.23 | 869 | 56340 | |
| Jazd-Imielin | city | Poland | 50.15 | 19.23 | 826 | 44409 | |
| Jaśkowice | city | Poland | 50.15 | 18.75 | 958 | 30038 | |
| Jedlina | city | Poland | 50.05 | 19.15 | 826 | 32182 | |
| Jedlownik | city | Poland | 50.00 | 18.43 | 787 | 68274 | |
| Jedłownik | city | Poland | 50.00 | 18.43 | 787 | 68274 | |
| Jejkowice | city | Poland | 50.10 | 18.48 | 843 | 72434 | |
| Jelen | city | Poland | 50.17 | 19.25 | 938 | 52051 | |
| Jezioro Świerklaniec | city | Poland | 50.42 | 18.95 | 826 | 56850 | |
| Jeziorowice | city | Poland | 50.55 | 19.78 | 1046 | 4609 | |
| Jezor | city | Poland | 50.23 | 19.20 | 961 | 129208 | |
| Jeżówka | city | Poland | 50.42 | 19.83 | 1263 | 9201 | |
| Josefsdorf | city | Poland | 50.28 | 19.02 | 987 | 205137 | |
| Josephsdorf | city | Poland | 50.28 | 19.02 | 987 | 205137 | |
| Jozefow | city | Poland | 50.32 | 19.17 | 1049 | 137917 | |
| Jozefowiec | city | Poland | 50.28 | 19.02 | 987 | 205137 | |
| Józefka | city | Poland | 50.40 | 18.97 | 826 | 67857 |