| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Sagon | city | Prefecture du Logone Oriental | Chad | 7.8666667 | 17 | 1499 | 2772 |
| Sama | city | Prefecture du Logone Oriental | Chad | 9.0666667 | 16.5833333 | 1309 | 2764 |
| Samaku | city | Prefecture du Logone Oriental | Chad | 8.2666667 | 15.7666667 | 1496 | 2773 |
| Samma | city | Prefecture du Logone Oriental | Chad | 9.0666667 | 16.5833333 | 1309 | 2764 |
| Sao | city | Prefecture du Logone Oriental | Chad | 7.9166667 | 16.0166667 | 1604 | 2772 |
| Sao | city | Prefecture du Logone Oriental | Chad | 7.9 | 16.0333333 | 1620 | 2772 |
| Sara | city | Prefecture du Logone Oriental | Chad | 8.15 | 15.6166667 | 1597 | 2772 |
| Sara II | city | Prefecture du Logone Oriental | Chad | 8.1666667 | 15.5833333 | 1492 | 2772 |
| Sarakarere | city | Prefecture du Logone Oriental | Chad | 8.1666667 | 15.5333333 | 1492 | 2772 |
| Sarakarère | city | Prefecture du Logone Oriental | Chad | 8.1666667 | 15.5333333 | 1492 | 2772 |
| Sareciville | city | Prefecture du Logone Oriental | Chad | 7.8 | 15.7833333 | 1548 | 2773 |
| Se I | city | Prefecture du Logone Oriental | Chad | 8.05 | 15.7166667 | 1620 | 2772 |
| Se II | city | Prefecture du Logone Oriental | Chad | 8.0666667 | 15.7666667 | 1525 | 2772 |
| Seti | city | Prefecture du Logone Oriental | Chad | 8.4 | 17.05 | 1318 | 2772 |
| Si-Nbangra | city | Prefecture du Logone Oriental | Chad | 8.1 | 16.3166667 | 1863 | 2772 |
| Siagon | city | Prefecture du Logone Oriental | Chad | 7.8666667 | 17 | 1499 | 2772 |
| Sindalolo | city | Prefecture du Logone Oriental | Chad | 8.4 | 16.8 | 1368 | 2772 |
| Sologo | city | Prefecture du Logone Oriental | Chad | 7.8666667 | 16.2166667 | 1610 | 2772 |
| Soulou | city | Prefecture du Logone Oriental | Chad | 7.5166667 | 15.5333333 | 1824 | 1794 |
| Sé I | city | Prefecture du Logone Oriental | Chad | 8.05 | 15.7166667 | 1620 | 2772 |
| Sé II | city | Prefecture du Logone Oriental | Chad | 8.0666667 | 15.7666667 | 1525 | 2772 |
| Séti | city | Prefecture du Logone Oriental | Chad | 8.4 | 17.05 | 1318 | 2772 |