Indian general election in Tamil Nadu, 2009 List of elected MPs List of elected MPs

| Constituency | Winner | Party | Margin | Runner_up_a | Party_a |
|---|---|---|---|---|---|
| 20. Coimbatore | P.R. Natarajan | CPM | 38664 | R. Prabhu * | INC |
| 21. Pollachi | K. Sugumar | ADMK | 46025 | K. Shanmugasundaram | DMK |
| 22. Dindigul | N.S.V. Chitthan * | INC | 54347 | P. Balasubramani | ADMK |
| 23. Karur | M. Tambidurai | ADMK | 47254 | K. C. Palanisamy | DMK |
| 24. Tiruchirappalli | P. Kumar | ADMK | 4335 | Sarubala R. Thondaiman | INC |
| 25. Perambalur | D. Napoleon | DMK | 77604 | K. K. Balasubramanian | ADMK |
| 26. Cuddalore | S. Alagiri | INC | 23532 | M. C. Sampath | ADMK |
| 27. Chidambaram (SC) | Thol. Thirumaavalavan | VCK | 99083 | E. Ponnuswamy * | PMK |
| 28. Mayiladuturai | O.S. Manian | ADMK | 36854 | Mani Shankar Aiyar * | INC |
| 29. Nagapattinam (SC) | A.K.S. Vijayan * | DMK | 47962 | M. Selvaraj | CPI |