| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Sibutuni | city | | Tanzania, United Rep. of | -4.8666667 | 39.2 | 3 | 6223 |
| Sibwesa | city | | Tanzania, United Rep. of | -6.5 | 30.75 | 3713 | 1190 |
| Sifala | city | | Tanzania, United Rep. of | -5.1666667 | 39.7833333 | 3 | 40034 |
| Sigi | city | | Tanzania, United Rep. of | -5.0166667 | 38.8 | 367 | 9982 |
| Sigwelo | city | | Tanzania, United Rep. of | -4.9666667 | 38.3166667 | 1476 | 9539 |
| Sika | city | | Tanzania, United Rep. of | -5.8 | 31.3833333 | 3398 | 1374 |
| Sikandaria | city | | Tanzania, United Rep. of | -5.1666667 | 39.7666667 | 3 | 40034 |
| Sikiro | city | | Tanzania, United Rep. of | -2.0333333 | 33.4 | 3733 | 4797 |
| Sikitico | city | | Tanzania, United Rep. of | -6.6666667 | 31.2666667 | 3756 | 1190 |
| Sikitiko | city | | Tanzania, United Rep. of | -6.6666667 | 31.2666667 | 3756 | 1190 |
| Sikoke | city | | Tanzania, United Rep. of | -6.2166667 | 29.7833333 | 4819 | 4683 |
| Sikonge | city | | Tanzania, United Rep. of | -5.6333333 | 32.7666667 | 3776 | 1755 |
| Sikugunga | city | | Tanzania, United Rep. of | -2.7333333 | 33.95 | 4206 | 6839 |
| Sikwakwa | city | | Tanzania, United Rep. of | -5.1833333 | 36.2833333 | 5091 | 1842 |
| Sila | city | | Tanzania, United Rep. of | -6.4166667 | 33.5833333 | 4599 | 1755 |
| Silasi | city | | Tanzania, United Rep. of | -5.1166667 | 39.75 | 65 | 47198 |
| Silongwe | city | | Tanzania, United Rep. of | -5.75 | 31.15 | 3218 | 1252 |
| Sima | city | | Tanzania, United Rep. of | -2.7166667 | 32.5666667 | 4045 | 22953 |
| Simba | city | | Tanzania, United Rep. of | -5.9666667 | 35.5666667 | 3405 | 6244 |
| Simba Chinzachi | city | | Tanzania, United Rep. of | -5.9666667 | 35.5666667 | 3405 | 6244 |
| Simba Nguru | city | | Tanzania, United Rep. of | -6.7 | 35.0333333 | 3520 | 854 |
| Simba Uranga | city | | Tanzania, United Rep. of | -7.75 | 39.3333333 | 3 | 1370 |
| Simbo | city | Kigoma Region | Tanzania, United Rep. of | -4.8808333 | 29.7363889 | 2713 | 5524 |
| Simbo | city | | Tanzania, United Rep. of | -6.35 | 30.7 | 3667 | 1190 |
| Simbo | city | | Tanzania, United Rep. of | -4.6666667 | 33.45 | 4117 | 5419 |
| Simbo | city | | Tanzania, United Rep. of | -6.3833333 | 38.5333333 | 603 | 3556 |
| Simondo | city | | Tanzania, United Rep. of | -6.6166667 | 30.6333333 | 4803 | 1190 |
| Simuni | city | | Tanzania, United Rep. of | -5.5833333 | 38.9333333 | 3 | 2939 |
| Sinawa | city | | Tanzania, United Rep. of | -5 | 39.8166667 | 3 | 39780 |
| Sinawe | city | | Tanzania, United Rep. of | -5.2833333 | 39.0666667 | 3 | 5779 |
| Sinawe | city | | Tanzania, United Rep. of | -4.9833333 | 39.7 | 3 | 26228 |
| Sinda | city | | Tanzania, United Rep. of | -8.3 | 31.7166667 | 5675 | 5460 |
| Sindano | city | | Tanzania, United Rep. of | -11.1 | 39.1 | 459 | 5761 |
| Sindeni | city | | Tanzania, United Rep. of | -5.35 | 38.2333333 | 1597 | 3542 |
| Singida | city | | Tanzania, United Rep. of | -3.8333333 | 33.2833333 | 3684 | 10617 |
| Singida | city | | Tanzania, United Rep. of | -4.8166667 | 34.75 | 5075 | 5432 |
| Singino | city | | Tanzania, United Rep. of | -8.7333333 | 39.4 | 0 | 1030 |
| Singita | city | | Tanzania, United Rep. of | -3.8333333 | 33.2833333 | 3684 | 10617 |
| Singiza | city | | Tanzania, United Rep. of | -7.2666667 | 37.6666667 | 2975 | 5306 |
| Sinoni | city | | Tanzania, United Rep. of | -3.0333333 | 35.05 | 5426 | 2942 |
| Sintali | city | | Tanzania, United Rep. of | -8.05 | 31.4 | 5669 | 3660 |
| Sinuzi | city | | Tanzania, United Rep. of | -5.4 | 39.6833333 | 3 | 44940 |
| Sinya | city | | Tanzania, United Rep. of | -2.7833333 | 37.0333333 | 3914 | 1399 |
| Sinya | city | | Tanzania, United Rep. of | -5.7833333 | 37.1833333 | 2801 | 1124 |
| Sipuka | city | | Tanzania, United Rep. of | -4.75 | 34.5333333 | 4829 | 5757 |
| Sipwese | city | | Tanzania, United Rep. of | -5.4 | 39.7333333 | 3 | 48236 |
| Sirari | city | | Tanzania, United Rep. of | -1.2333333 | 34.4333333 | 4960 | 25227 |
| Sire | city | | Tanzania, United Rep. of | -5.7166667 | 31.8333333 | 3441 | 1336 |
| Sisimizini | city | | Tanzania, United Rep. of | -5.3333333 | 39.7166667 | 3 | 47402 |
| Sisini | city | | Tanzania, United Rep. of | -5 | 39.8166667 | 3 | 39780 |
| Sitahabu | city | | Tanzania, United Rep. of | -5.4 | 39.6666667 | 3 | 44940 |
| Sitalike | city | | Tanzania, United Rep. of | -6.6333333 | 31.1333333 | 3710 | 1190 |
| Sitani | city | | Tanzania, United Rep. of | -5.1333333 | 39.8166667 | 3 | 42952 |
| Sitarani | city | | Tanzania, United Rep. of | -5.2166667 | 39.7666667 | 3 | 41017 |
| Sitarehe | city | | Tanzania, United Rep. of | -5.3666667 | 39.7 | 3 | 46912 |
| Sitwa | city | | Tanzania, United Rep. of | -6.1666667 | 30.2833333 | 5472 | 5210 |
| Siwamoja | city | | Tanzania, United Rep. of | -5.2166667 | 39.7833333 | 3 | 41017 |
| Siwani | city | | Tanzania, United Rep. of | -5.3 | 39.05 | 3 | 4116 |
| Siwe | city | | Tanzania, United Rep. of | -6.8166667 | 32.15 | 3710 | 1190 |
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