DMK
JD(U)LJPNTKSHSThe table below lists Dravida Munnetra Kazhagam (DMK) candidates, their total votes, vote share and final position in Chennai South Lok Sabha Constituency in Tamil Nadu.
| Election year | Candidate Name | Votes Received | Vote Share (%) | Position | Status |
|---|---|---|---|---|---|
| 2024 | T.Sumathy (Alias) Thamizhachi Thangapandian | 516,628 | 47 | 1 | Won |
| 2019 | T.Sumathy (A) Thamizhachi Thangapandian | 564,872 | 50.17 | 1 | Won |
| 2014 | T.K.S.Elangovan | 298,965 | 27.9 | 2 | Lost |
| 2009 | Bharathy R.S. | 275,632 | 37.86 | 2 | Lost |