- Saint Bernice
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- San Pierre
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- Selma
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- Shadeland
- Shamrock Lakes
- Sharpsville
- Shelburn
- Shelby
- Shelbyville
- Shepardsville
- Sheridan
- Shipshewana
- Shirley
- Shoals
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- Simonton Lake
- Sims
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- Somerville
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- Southport
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- Spencer
- Spiceland
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- Spring Grove Heights
- Spring Hills
- Spring Lake
- Springport
- Spurgeon
- Star City
- State Line
- Staunton
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- Stockwell
- Straughn
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- Summitville
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- Switz City
- Syracuse
