CPI
DMDKDMKJD(U)NTKThe table below lists Communist Party of India (CPI) candidates, their total votes, vote share and final position in Nagapattinam Lok Sabha Constituency in Tamil Nadu.
| Election year | Candidate Name | Votes Received | Vote Share (%) | Position | Status |
|---|---|---|---|---|---|
| 2024 | Selvaraj V | 465,044 | 47.79 | 1 | Won |
| 2019 | Selvaraj M | 522,892 | 52.17 | 1 | Won |
| 2014 | Palanisamy. G | 90,313 | 9.59 | 3 | Lost |
| 2009 | Selvaraj M | 321,953 | 42.2 | 2 | Lost |
| 1999 | Selvarasu.M. | 319,771 | 46.65 | 2 | Lost |
| 1998 | Selvarasu, M. | 375,589 | 58.77 | 1 | Won |
| 1996 | Selvarasu M | 394,330 | 56.77 | 1 | Won |
| 1991 | Selvarasu M. | 301,697 | 45.8 | 2 | Lost |
| 1989 | Selvarasu, M | 341,921 | 49.32 | 1 | Won |
| 1984 | Murugaiyan K. | 298,623 | 49.53 | 2 | Lost |
| 1980 | Murugayan K. | 267,887 | 49.02 | 2 | Lost |
| 1977 | Murugaiyan S.G. | 278,419 | 53.95 | 1 | Won |
| 1971 | M. Kathamuthu | 219,684 | 54.95 | 1 | Won |