- Sinnākavundanpatti
- Sinnānandūr
- Sinnānkuppam
- Sinnapangunattam
- Sintharapatti
- Sīrēnahalli
- Sirugalūr
- Sithampatti
- Sitigānahalli
- Sittandahalli
- Sittānūr
- Sittilingi
- Sittiruhalli
- Sivadi
- Sivanāthapuram
- Sokkanahalli
- Solappādi
- Solikavundanūr
- Sōmēnahalli
- Somenahalli
- Somenahalli
- Sonnampatti
- Sorakayanūr
- Sorakkāyhalli
- Sorakkayhalli
- Soriyampatti
- Sottāndapatti
- Srīrāmanahalli
- Sulikurichchi
- Sumnampatti