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

| Constituency | Winner | Party | Margin | Runner_up_a | Party_a |
|---|---|---|---|---|---|
| 1. Thiruvallur (SC) | P. Venugopal | ADMK | 31673 | S. Gayathri | DMK |
| 2. Chennai North | T.K.S. Elangovan | DMK | 19153 | D. Pandian | CPI |
| 3. Chennai South | C. Rajendran | ADMK | 32935 | R. S. Bharathy | DMK |
| 4. Chennai Central | Dayanidhi Maran * | DMK | 33454 | S. M. K. Mogamed Ali Jinnah | ADMK |
| 5. Sriperumbudur | T.R. Baalu * | DMK | 25036 | A. K. Moorthy * | PMK |
| 6. Kancheepuram (SC) | P. Viswanathan | INC | 13103 | E. Ramakrishnan | ADMK |
| 7. Arakkonam | Jagathrakshakan | DMK | 109796 | R. Velu * | PMK |
| 8. Vellore | Abdulrahman | DMK | 107393 | L. K. M. B. Vasu | ADMK |
| 9. Krishnagiri | E.G. Sugavanam * | DMK | 76598 | K. Nanjegowdu | ADMK |