| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sadaiyankuppam | city | Tamil Nadu | India | 13.18 | 80.29 | 26 | 305338 |
| Sadras | city | Tamil Nadu | India | 12.52 | 80.16 | 49 | 41741 |
| Sadurangapattinam | city | Tamil Nadu | India | 12.52 | 80.16 | 49 | 41741 |
| Saidapet | city | Tamil Nadu | India | 13.02 | 80.22 | 55 | 2363677 |
| Sainigunta | city | Tamil Nadu | India | 13.07 | 78.82 | 1669 | 27781 |
| Saint Thomas Mount | city | Tamil Nadu | India | 13.00 | 80.20 | 65 | 1423889 |
| Saint Thomas's Mount | city | Tamil Nadu | India | 13.00 | 80.20 | 65 | 1423889 |
| Saint Thomas’s Mount | city | Tamil Nadu | India | 13.00 | 80.20 | 65 | 1423889 |
| Saiyidapettai | city | Tamil Nadu | India | 13.02 | 80.22 | 55 | 2363677 |
| Sakkanurani | city | Tamil Nadu | India | 9.94 | 77.97 | 830 | 70409 |
| Salem | city | Tamil Nadu | India | 11.65 | 78.16 | 918 | 434 |
| Saliapet | city | Tamil Nadu | India | 13.34 | 80.14 | 49 | 51810 |
| Saligramam | city | Tamil Nadu | India | 13.05 | 80.20 | 59 | 2269583 |
| Samattur | city | Tamil Nadu | India | 10.60 | 77.01 | 954 | 52141 |
| Samayanallur | city | Tamil Nadu | India | 9.98 | 78.04 | 830 | 113945 |
| Samayapuram | city | Tamil Nadu | India | 10.93 | 78.74 | 232 | 91243 |
| Samburvadakara | city | Tamil Nadu | India | 9.00 | 77.39 | 830 | 53726 |
| Samudram | city | Tamil Nadu | India | 10.65 | 78.49 | 830 | 29024 |
| San Thome | city | Tamil Nadu | India | 13.03 | 80.27 | 0 | 1775085 |
| Sanarpalaiyam | city | Tamil Nadu | India | 13.40 | 80.18 | 29 | 29624 |
| Sanarpalaiyam | city | Tamil Nadu | India | 13.28 | 80.22 | 39 | 58968 |
| Sanarpalaiyam | city | Tamil Nadu | India | 13.29 | 80.21 | 45 | 59621 |
| Sanarpatti | city | Tamil Nadu | India | 10.28 | 78.07 | 1085 | 29204 |
| Sandras | city | Tamil Nadu | India | 12.52 | 80.16 | 49 | 41741 |
| Sanjivarayanpet | city | Tamil Nadu | India | 13.12 | 80.29 | 52 | 1300514 |
| Sankaranainer Koil | city | Tamil Nadu | India | 9.17 | 77.54 | 830 | 63589 |
| Sankaranayinarkovil | city | Tamil Nadu | India | 9.17 | 77.54 | 830 | 63589 |
| Sankaranayinarkovyil | city | Tamil Nadu | India | 9.17 | 77.54 | 830 | 63589 |
| Sankarankovil | city | Tamil Nadu | India | 9.17 | 77.54 | 830 | 63589 |
| Sankaranārāyanapuram | city | Tamil Nadu | India | 13.46 | 80.04 | 52 | 40662 |
| Sankari Drug | city | Tamil Nadu | India | 11.48 | 77.87 | 902 | 75335 |
| Santanampattu | city | Tamil Nadu | India | 12.66 | 80.13 | 45 | 31096 |
| Santhakuppam | city | Tamil Nadu | India | 12.72 | 80.06 | 141 | 41423 |
| Santhi Nagar | city | Tamil Nadu | India | 13.11 | 80.26 | 36 | 2091677 |
| Saptur | city | Tamil Nadu | India | 9.77 | 77.75 | 830 | 30558 |
| Sarabenthirarajanpattinam | city | Tamil Nadu | India | 10.30 | 79.38 | 0 | 38087 |
| Sarkar Valavandi | city | Tamil Nadu | India | 11.11 | 78.09 | 403 | 29547 |
| Sarugani | city | Tamil Nadu | India | 9.85 | 78.75 | 127 | 24758 |
| Sathankulam | city | Tamil Nadu | India | 8.44 | 77.91 | 75 | 44280 |
| Sathiya Moorthy Nagar | city | Tamil Nadu | India | 13.12 | 80.27 | 45 | 1777730 |
| Sattamangalam | city | Tamil Nadu | India | 12.51 | 80.01 | 78 | 35938 |
| Sattankulam | city | Tamil Nadu | India | 8.44 | 77.91 | 75 | 44280 |
| Sattiramnattam | city | Tamil Nadu | India | 13.44 | 80.11 | 55 | 44717 |
| Sattiranattam | city | Tamil Nadu | India | 13.30 | 80.28 | 26 | 43046 |
| Sattivedu | city | Tamil Nadu | India | 13.44 | 79.95 | 160 | 31307 |
| Sattur | city | Tamil Nadu | India | 9.35 | 77.92 | 187 | 34479 |
| Satyamangalam | city | Tamil Nadu | India | 11.50 | 77.24 | 830 | 71652 |
| Satyamurti Nagar | city | Tamil Nadu | India | 13.05 | 80.24 | 49 | 2704889 |
| Satyavedu | city | Tamil Nadu | India | 13.44 | 79.95 | 160 | 31307 |
| Savarakandigai | city | Tamil Nadu | India | 13.35 | 80.11 | 59 | 37785 |
| Savundapuram | city | Tamil Nadu | India | 13.35 | 80.11 | 59 | 37785 |
| Sayalgudi | city | Tamil Nadu | India | 9.17 | 78.45 | 32 | 34838 |
| Sayanavaram | city | Tamil Nadu | India | 13.31 | 80.18 | 45 | 60688 |
| Sayidabad | city | Tamil Nadu | India | 13.02 | 80.22 | 55 | 2363677 |