| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Siah el Gful | city | Libya | 31.92 | 12.29 | 2509 | 0 | |
| Sichin | city | Libya | 32.10 | 13.06 | 2509 | 22698 | |
| Sidi Abd el Magrun | city | Libya | 31.44 | 20.15 | 177 | 894 | |
| Sidi Ahmed el-Magrun | city | Libya | 31.44 | 20.15 | 177 | 894 | |
| Sidi Améd el Magrún | city | Libya | 31.44 | 20.15 | 177 | 894 | |
| Sidi Bin al Bashiri | city | Libya | 32.68 | 13.57 | 416 | 447 | |
| Sidi Bu Agela | city | Libya | 32.73 | 12.39 | 91 | 33573 | |
| Sidi Bu Zinah | city | Libya | 32.89 | 11.99 | 26 | 36893 | |
| Sidi Chalifa | city | Libya | 32.26 | 20.20 | 32 | 45881 | |
| Sidi Dawud | city | Banghazi | Libya | 32.10 | 20.08 | 62 | 54455 |
| Sidi Faraj | city | Libya | 30.92 | 20.19 | 91 | 1830 | |
| Sidi Frag' | city | Libya | 30.92 | 20.19 | 91 | 1830 | |
| Sidi Frag’ | city | Libya | 30.92 | 20.19 | 91 | 1830 | |
| Sidi Iúnes | city | Libya | 30.86 | 20.32 | 134 | 0 | |
| Sidi Jibra'il | city | Libya | 30.95 | 20.30 | 150 | 0 | |
| Sidi Kalifa | city | Libya | 32.26 | 20.20 | 32 | 45881 | |
| Sidi Khalifah | city | Libya | 32.26 | 20.20 | 32 | 45881 | |
| Sidi Maammer | city | Libya | 32.50 | 13.88 | 1013 | 447 | |
| Sidi Magrun | city | Libya | 31.44 | 20.15 | 177 | 894 | |
| Sidi Mahius | city | Libya | 32.25 | 20.74 | 1177 | 537 | |
| Sidi Mahyus | city | Libya | 32.25 | 20.74 | 1177 | 537 | |
| Sidi Mu`ammar | city | Libya | 32.50 | 13.88 | 1013 | 447 | |
| Sidi Tanagu | city | Libya | 32.13 | 20.39 | 984 | 892 | |
| Sidi Yunis | city | Libya | 30.86 | 20.32 | 134 | 0 | |
| Sidi `Ali | city | Libya | 26.65 | 13.70 | 1971 | 0 | |
| Sidi `Ali Abu Jallab | city | Libya | 30.90 | 20.17 | 52 | 3472 | |
| Sidi `Ali Bu Madfa` | city | Libya | 32.33 | 20.48 | 948 | 345 | |
| Sidi as Sa'ih | city | Libya | 32.56 | 13.25 | 396 | 38716 | |
| Sidi as Sid | city | Libya | 32.33 | 13.48 | 1669 | 447 | |
| Sidi at Tahir | city | Libya | 30.88 | 20.74 | 246 | 0 | |
| Sidi el-Mabrac | city | Libya | 32.18 | 20.44 | 1056 | 0 | |
| Sidi el-Tmimi | city | Libya | 32.33 | 23.06 | 82 | 134 | |
| Sighìn | city | Libya | 32.10 | 13.06 | 2509 | 22698 | |
| Sikin | city | Libya | 32.10 | 13.06 | 2509 | 22698 | |
| Silin | city | Libya | 32.67 | 14.17 | 321 | 33629 | |
| Silk `Adwan | city | Libya | 31.97 | 21.12 | 830 | 0 | |
| Silk ‘Adwān | city | Libya | 31.97 | 21.12 | 830 | 0 | |
| Siluw | city | Libya | 32.70 | 21.33 | 830 | 0 | |
| Sinaoun | city | Libya | 31.03 | 10.60 | 1669 | 0 | |
| Sinauen | city | Libya | 31.03 | 10.60 | 1669 | 0 | |
| Sinawin | city | Libya | 31.03 | 10.60 | 1669 | 0 | |
| Sinawin سيناون | city | Libya | 31.03 | 10.60 | 1669 | 0 | |
| Sinnāwin | city | Libya | 31.03 | 10.60 | 1669 | 0 | |
| Sirat Najam | city | Libya | 32.16 | 20.31 | 367 | 15836 | |
| Sirat Najm | city | Libya | 32.16 | 20.31 | 367 | 15836 | |
| Sirat Talambu | city | Libya | 31.60 | 20.01 | 36 | 784 | |
| Sirat `Ajibah | city | Libya | 32.08 | 20.42 | 830 | 1925 | |
| Sirat az Zaytun | city | Libya | 31.54 | 20.16 | 150 | 894 | |
| Siret Agiba | city | Libya | 32.08 | 20.42 | 830 | 1925 | |
| Sirt | city | Surt | Libya | 31.21 | 16.59 | 121 | 7481 |
| Sirte | city | Surt | Libya | 31.21 | 16.59 | 121 | 7481 |