UpAlphabetical listing of Places in Indiana
| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
| Siberia | city | Indiana | United States | 38.24 | -86.73 | 830 | |
| Sidney | city | Indiana | United States | 41.11 | -85.74 | 898 | |
| Silex | city | Indiana | United States | 39.36 | -86.66 | 830 | |
| Silver Hills | city | Indiana | United States | 38.28 | -85.85 | 390 | |
| Silver Lake | city | Indiana | United States | 41.07 | -85.89 | 895 | |
| Silver Point | city | Indiana | United States | 41.33 | -85.77 | 846 | |
| Silverdale | city | Indiana | United States | 37.92 | -87.07 | 390 | |
| Silverville | city | Indiana | United States | 38.86 | -86.67 | 830 | |
| Silverwood | city | Indiana | United States | 39.96 | -87.40 | 830 | |
| Simonton Lake | city | Indiana | United States | 41.75 | -85.98 | 830 | |
| Simpson | city | Indiana | United States | 40.86 | -85.41 | 830 | |
| Simpson Corner | city | Indiana | United States | 40.14 | -87.24 | 830 | |
| Sims | city | Indiana | United States | 40.50 | -85.86 | 846 | |
| Sisson | city | Indiana | United States | 38.53 | -87.56 | 830 | |
| Sitka | city | Indiana | United States | 40.83 | -86.74 | 830 | |
| Six Points | city | Indiana | United States | 39.73 | -86.34 | 830 | |
| Six Points | city | Indiana | United States | 39.37 | -86.99 | 830 | |
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