| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Jaani | city | | Tanzania, United Rep. of | -5.3833333 | 39.7166667 | 3 | 48236 |
| Jabolo | city | | Tanzania, United Rep. of | -5.5666667 | 34.5833333 | 4412 | 3477 |
| Jafarini | city | | Tanzania, United Rep. of | -5.4166667 | 39.7333333 | 3 | 25511 |
| Jagoma | city | | Tanzania, United Rep. of | -5.1166667 | 39.7833333 | 3 | 47198 |
| Jaira | city | | Tanzania, United Rep. of | -5.4166667 | 37.9 | 2253 | 3542 |
| Jaja | city | | Tanzania, United Rep. of | -8.1833333 | 39.35 | 3 | 1206 |
| Jaje | city | | Tanzania, United Rep. of | -5.1166667 | 39.0666667 | 22 | 147390 |
| Jamat Khana | city | | Tanzania, United Rep. of | -6.1666667 | 39.4333333 | 3 | 14653 |
| Jambaji | city | | Tanzania, United Rep. of | -5.0833333 | 39.7 | 9 | 23472 |
| Jambangome | city | | Tanzania, United Rep. of | -5.35 | 39.7 | 3 | 46912 |
| Jambiani | city | | Tanzania, United Rep. of | -6.3166667 | 39.55 | 0 | 7713 |
| Jamia | city | | Tanzania, United Rep. of | -5.4166667 | 39.75 | 3 | 17575 |
| Jamkola | city | | Tanzania, United Rep. of | -6.0333333 | 34.45 | 4356 | 854 |
| Jamvini | city | | Tanzania, United Rep. of | -5.2 | 39.7 | 0 | 8913 |
| Jamvini | city | | Tanzania, United Rep. of | -5.25 | 39.7333333 | 3 | 35938 |
| Jamvini | city | | Tanzania, United Rep. of | -5.2666667 | 39.7666667 | 3 | 43657 |
| Jamvini | city | | Tanzania, United Rep. of | -5.2166667 | 39.8166667 | 3 | 40066 |
| Jangalo | city | | Tanzania, United Rep. of | -5.0166667 | 36.2 | 4639 | 4648 |
| Jangalu | city | | Tanzania, United Rep. of | -5.0166667 | 36.2 | 4639 | 4648 |
| Jangwani | city | | Tanzania, United Rep. of | -5.9166667 | 39.2333333 | 3 | 20234 |
| Jangwani | city | | Tanzania, United Rep. of | -9.8666667 | 39.6 | 524 | 6056 |
| Janza | city | | Tanzania, United Rep. of | -5.3833333 | 39.7166667 | 3 | 48236 |
| Jareni | city | | Tanzania, United Rep. of | -5.0333333 | 39.75 | 3 | 45626 |
| Jasin | city | | Tanzania, United Rep. of | -4.6666667 | 39.1833333 | 9 | 7747 |
| Jasini | city | | Tanzania, United Rep. of | -4.6666667 | 39.1833333 | 9 | 7747 |
| Jegani | city | | Tanzania, United Rep. of | -4.85 | 39.1333333 | 13 | 8629 |
| Jekunje | city | | Tanzania, United Rep. of | -5.1 | 39.7166667 | 127 | 35663 |
| Jelemanga | city | | Tanzania, United Rep. of | -6.3 | 31 | 3730 | 1190 |
| Jembiani | city | | Tanzania, United Rep. of | -6.3166667 | 39.55 | 0 | 7713 |
| Jembiani Kaye | city | | Tanzania, United Rep. of | -6.3166667 | 39.55 | 0 | 7713 |
| Jendele | city | | Tanzania, United Rep. of | -6.1666667 | 39.3666667 | 65 | 20991 |
| Jendeli | city | | Tanzania, United Rep. of | -5.0333333 | 39.7833333 | 3 | 45626 |
| Jendwe | city | | Tanzania, United Rep. of | -8.9666667 | 32.1833333 | 4032 | 6836 |
| Jengandege | city | | Tanzania, United Rep. of | -5.9666667 | 39.3333333 | 3 | 28404 |
| Jeni | city | | Tanzania, United Rep. of | -5.4666667 | 39.65 | 3 | 8185 |
| Jichwa | city | | Tanzania, United Rep. of | -4.9833333 | 39.75 | 3 | 39785 |
| Jifenge | city | | Tanzania, United Rep. of | -5.8833333 | 39.2666667 | 3 | 27416 |
| Jifunge | city | | Tanzania, United Rep. of | -5.1666667 | 39.7833333 | 3 | 40034 |
| Jihinike | city | | Tanzania, United Rep. of | -3.2666667 | 33.75 | 4153 | 9805 |
| Jikangeni | city | | Tanzania, United Rep. of | -4.7166667 | 39.1166667 | 68 | 9974 |
| Jila | city | | Tanzania, United Rep. of | -11.0333333 | 38 | 997 | 3851 |
| Jilinge | city | | Tanzania, United Rep. of | -5.0333333 | 39.7833333 | 3 | 45626 |
| Jimbi | city | | Tanzania, United Rep. of | -4.6694444 | 29.8788889 | 3733 | 5857 |
| Jimbo | city | | Tanzania, United Rep. of | -7.7666667 | 39.8666667 | 3 | 9117 |
| Jinga | city | | Tanzania, United Rep. of | -2.85 | 33.6 | 3989 | 10147 |
| Jinga | city | | Tanzania, United Rep. of | -5.3833333 | 39.7166667 | 3 | 48236 |
| Jiriwe | city | | Tanzania, United Rep. of | -4.9 | 39.0666667 | 59 | 9980 |
| Jiso | city | | Tanzania, United Rep. of | -4.9333333 | 39.75 | 3 | 25106 |
| Jitenge | city | | Tanzania, United Rep. of | -5.8833333 | 39.2666667 | 3 | 27416 |
| Jitenge | city | | Tanzania, United Rep. of | -4.9333333 | 39.75 | 3 | 25106 |
| Jitenge | city | | Tanzania, United Rep. of | -5.0333333 | 39.75 | 3 | 45626 |
| Jitenge | city | | Tanzania, United Rep. of | -5.0833333 | 39.7833333 | 3 | 47050 |
| Jitenge | city | | Tanzania, United Rep. of | -5.1833333 | 39.7833333 | 3 | 40034 |
| Jiwe la Mzungu | city | | Tanzania, United Rep. of | -9.5 | 39.65 | 104 | 4557 |
| Jiwe la Simba | city | | Tanzania, United Rep. of | -6 | 34.0833333 | 4796 | 1351 |
| Jiwe-la-Singa | city | | Tanzania, United Rep. of | -6 | 34.0833333 | 4796 | 1351 |
| Jogoi | city | | Tanzania, United Rep. of | -4.8166667 | 38.2833333 | 4268 | 11423 |
| Johannes Bruck | city | | Tanzania, United Rep. of | -10.6833333 | 35.25 | 2929 | 1881 |
| Johannesbrucke | city | | Tanzania, United Rep. of | -10.6833333 | 35.25 | 2929 | 1881 |
| Jojiro | city | | Tanzania, United Rep. of | -3.0333333 | 33.25 | 3959 | 14789 |
| Jojo | city | | Tanzania, United Rep. of | -5.3 | 39.7833333 | 3 | 46336 |
| Jojwe | city | | Tanzania, United Rep. of | -5.1333333 | 39.8 | 3 | 42952 |
| Jomba | city | | Tanzania, United Rep. of | -5.75 | 39.3166667 | 3 | 18469 |
| Jombangome | city | | Tanzania, United Rep. of | -5.35 | 39.7 | 3 | 46912 |
| Jombangoni | city | | Tanzania, United Rep. of | -5.35 | 39.7 | 3 | 46912 |
| Jomu | city | | Tanzania, United Rep. of | -3.8666667 | 33.2 | 3930 | 10617 |
| Jomvu | city | | Tanzania, United Rep. of | -5.4166667 | 39.7333333 | 3 | 25511 |
| Jondeni | city | | Tanzania, United Rep. of | -5.35 | 39.65 | 3 | 26483 |
| Jondoli | city | | Tanzania, United Rep. of | -4.9833333 | 39.7666667 | 3 | 39785 |
| Jongoe | city | | Tanzania, United Rep. of | -5.85 | 39.2166667 | 3 | 11812 |
| Jongowe | city | | Tanzania, United Rep. of | -5.95 | 39.2 | 3 | 10373 |
| Jongowe | city | | Tanzania, United Rep. of | -5.85 | 39.2166667 | 3 | 11812 |
| Jongwe | city | | Tanzania, United Rep. of | -5.85 | 39.2166667 | 3 | 11812 |
| Jorgoi | city | | Tanzania, United Rep. of | -3.75 | 33.85 | 3536 | 10617 |
| Jozani | city | | Tanzania, United Rep. of | -6.2666667 | 39.4166667 | 3 | 20500 |
| Juakuu | city | | Tanzania, United Rep. of | -5.9333333 | 39.3 | 3 | 31305 |
| Juamoja | city | | Tanzania, United Rep. of | -5.4333333 | 39.7333333 | 0 | 25511 |
| Julani | city | | Tanzania, United Rep. of | -5 | 39.7833333 | 3 | 45626 |
| Jumbakongwe | city | | Tanzania, United Rep. of | -5.1 | 39.8 | 3 | 40698 |
| Jumbe | city | | Tanzania, United Rep. of | -5.0166667 | 39.7833333 | 3 | 45626 |
| Jumbe-Salim's | city | | Tanzania, United Rep. of | -10.5833333 | 36.5 | 3028 | 1836 |
| Jumbe-Salimʼs | city | | Tanzania, United Rep. of | -10.5833333 | 36.5 | 3028 | 1836 |
| Jumbi | city | | Tanzania, United Rep. of | -6.2 | 39.2833333 | 118 | 135408 |
| Jumbo | city | | Tanzania, United Rep. of | -7.7666667 | 39.8666667 | 3 | 9117 |
| Jundamiti | city | | Tanzania, United Rep. of | -5.4 | 39.6666667 | 3 | 44940 |
| Jundamiti | city | | Tanzania, United Rep. of | -5.3833333 | 39.75 | 3 | 35276 |
| Jundsmiti | city | | Tanzania, United Rep. of | -5.3833333 | 39.75 | 3 | 35276 |
| Junga | city | | Tanzania, United Rep. of | -5.3666667 | 39.7833333 | 3 | 45893 |
| Jungaani | city | | Tanzania, United Rep. of | -5.4166667 | 39.6833333 | 3 | 27620 |
| Jungani | city | | Tanzania, United Rep. of | -5.35 | 39.7166667 | 3 | 55930 |
| Jungu | city | | Tanzania, United Rep. of | -5.3833333 | 37.6833333 | 2788 | 3542 |
| Junguni | city | | Tanzania, United Rep. of | -5 | 39.7 | 3 | 23864 |
| Juu Pwani | city | | Tanzania, United Rep. of | -5.8833333 | 39.35 | 3 | 22780 |
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