| S. Soundappan | |
| Office: | Mayor of Salem |
| Native Name: | எஸ். சவுண்டப்பன் |
| Native Name Lang: | ta |
| Predecessor: | Suresh Kumar |
| Successor: | J. Rekha Priyadharshini |
| Term Start: | 2006 |
| Term End: | 27 October 2006 |
| Party: | All India Anna Dravida Munnetra Kazhagam |
| Predecessor1: | J. Rekha Priyadharshini |
| Successor1: | A. Ramachandran |
| Term Start1: | 25 October 2011 |
| Term End1: | 24 October 2016 |
| Birth Date: | c.1951 |
| Birth Place: | Salem, Tamil Nadu |
| Citizenship: | Indian |
| Residence: | Salem, Tamil Nadu |
| Awards: | Kalaimamani |
| Deputy1: | M. Natesan[1] |
S. Soundappan is an Indian politician who served twice as the Mayor of Salem.[2] As a cadre of All India Anna Dravida Munnetra Kazhagam party, he previously served as Deputy mayor of the same Salem corporation from 2001 to 2006.[3] He won the Kalaimamani award for his excellence in service in the field of "Theater and Drama".