| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Ilagala | city | Kigoma Region | Tanzania, United Rep. of | -5.2108333 | 29.8388889 | 2506 | 5042 |
| Ilala | city | | Tanzania, United Rep. of | -6.8333333 | 39.2666667 | 3 | 215766 |
| Ilalangulu | city | | Tanzania, United Rep. of | -7.1166667 | 31.1333333 | 3287 | 1406 |
| Ilalansimba | city | | Tanzania, United Rep. of | -6.4666667 | 32.2166667 | 3795 | 1190 |
| Ilama | city | | Tanzania, United Rep. of | -6.0833333 | 30.7 | 5626 | 1190 |
| Ilambila | city | | Tanzania, United Rep. of | -8 | 31.5666667 | 6036 | 5329 |
| Ilambo | city | | Tanzania, United Rep. of | -8.3 | 32.3333333 | 2762 | 6093 |
| Ilangala | city | | Tanzania, United Rep. of | -1.95 | 32.85 | 3717 | 5391 |
| Ilangali | city | | Tanzania, United Rep. of | -6.85 | 35.0833333 | 3471 | 1440 |
| Ilase | city | | Tanzania, United Rep. of | -5.1833333 | 35.3333333 | 5357 | 4648 |
| Ilboru | city | | Tanzania, United Rep. of | -3.35 | 36.6833333 | 4179 | 62933 |
| Ilela | city | | Tanzania, United Rep. of | -10.4666667 | 34.5833333 | 1699 | 2416 |
| Ilembo | city | | Tanzania, United Rep. of | -9.25 | 33.3833333 | 5938 | 6039 |
| Ilembo | city | | Tanzania, United Rep. of | -8.8 | 33.7166667 | 4019 | 5502 |
| Ilembula | city | | Tanzania, United Rep. of | -8.9 | 34.5833333 | 4507 | 5362 |
| Ilemera | city | Kagera Region | Tanzania, United Rep. of | -1.9369444 | 31.6311111 | 3930 | 9799 |
| Ilemera | city | | Tanzania, United Rep. of | -2.45 | 32.9 | 3723 | 12145 |
| Ilemere | city | | Tanzania, United Rep. of | -2.45 | 32.9 | 3723 | 12145 |
| Ilengo | city | | Tanzania, United Rep. of | -8.5666667 | 33.0833333 | 2854 | 1372 |
| Ilewiro | city | | Tanzania, United Rep. of | -6.2 | 34.65 | 4015 | 854 |
| Ilima | city | | Tanzania, United Rep. of | -9.4333333 | 33.6833333 | 2677 | 17600 |
| Ilindi | city | | Tanzania, United Rep. of | -6.0166667 | 35.5666667 | 3622 | 6244 |
| Ilisya | city | | Tanzania, United Rep. of | -4.7 | 34.6 | 4773 | 5520 |
| Iloba | city | | Tanzania, United Rep. of | -6.4833333 | 30.85 | 3251 | 1190 |
| Ilogolo | city | | Tanzania, United Rep. of | -8.65 | 33.2 | 2988 | 1784 |
| Ilola | city | | Tanzania, United Rep. of | -3.7833333 | 33.0666667 | 3897 | 10617 |
| Ilole | city | | Tanzania, United Rep. of | -7.7333333 | 35.85 | 4993 | 3276 |
| Ilolo | city | | Tanzania, United Rep. of | -9.1666667 | 33.5833333 | 4822 | 18877 |
| Ilolo | city | | Tanzania, United Rep. of | -7.25 | 35.3666667 | 2470 | 3277 |
| Ilomba | city | | Tanzania, United Rep. of | -8.8666667 | 33.4833333 | 5793 | 5502 |
| Ilomba | city | | Tanzania, United Rep. of | -8.8 | 33.7166667 | 4019 | 5502 |
| Ilonga | city | | Tanzania, United Rep. of | -10.2833333 | 36.3333333 | 2709 | 1890 |
| Ilonga | city | | Tanzania, United Rep. of | -9.0666667 | 36.85 | 1627 | 1120 |
| Ilongero | city | | Tanzania, United Rep. of | -4.6666667 | 34.8666667 | 5308 | 5432 |
| Ilongo | city | | Tanzania, United Rep. of | -4.0833333 | 34.6333333 | 4038 | 6622 |
| Ilongwa | city | | Tanzania, United Rep. of | -8.5833333 | 33.95 | 3389 | 5502 |
| Ilugolo | city | | Tanzania, United Rep. of | -8.65 | 33.2 | 2988 | 1784 |
| Ilujamate | city | | Tanzania, United Rep. of | -3.0333333 | 32.8166667 | 4094 | 9002 |
| Ilula | city | | Tanzania, United Rep. of | -3.2666667 | 33.3333333 | 3904 | 14317 |
| Ilula | city | | Tanzania, United Rep. of | -3.5666667 | 33.95 | 3887 | 10347 |
| Ilula | city | | Tanzania, United Rep. of | -7.6833333 | 36.0333333 | 4744 | 3276 |
| Ilulu | city | | Tanzania, United Rep. of | -9.4833333 | 33.2166667 | 3904 | 7175 |
| Ilulu | city | | Tanzania, United Rep. of | -3.2666667 | 33.3333333 | 3904 | 14317 |
| Ilunde | city | Kigoma Region | Tanzania, United Rep. of | -4.9222222 | 30.5325 | 3589 | 5749 |
| Ilunde | city | Kigoma Region | Tanzania, United Rep. of | -5.0863889 | 30.5655556 | 3743 | 5656 |
| Ilunde | city | | Tanzania, United Rep. of | -6.7833333 | 32.4666667 | 3828 | 1190 |
| Ilunga | city | | Tanzania, United Rep. of | -5.85 | 33.3666667 | 4297 | 1755 |
| Ilungu | city | | Tanzania, United Rep. of | -4.4666667 | 33.3 | 3989 | 7039 |
| Ilungu | city | | Tanzania, United Rep. of | -7.5 | 33.45 | 4606 | 1376 |
| Ilusi | city | | Tanzania, United Rep. of | -7.5 | 34.95 | 3264 | 3276 |
| Ilusi | city | | Tanzania, United Rep. of | -7.5833333 | 35.2333333 | 3530 | 3276 |
| Ilyanika | city | | Tanzania, United Rep. of | -8.2333333 | 35.8166667 | 5915 | 4839 |
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