15 elections on record · DMK dominant · 15 total
Kolathur — M. K. Stalin's home constituency in North Chennai. Stalin held this seat from 2006 through 2021. In 2026, TVK's V. S. Babu narrowly defeated Stalin here by 8,795 votes in a historic upset.
| Year | Winner | Party | Votes | Vote % | Runner-up | Party | Margin |
|---|---|---|---|---|---|---|---|
| 2026 | V. S. Babu | TVK | 82997 | 45.09% | M. K. Stalin | DMK | 8795 |
| 2021 | M. K. Stalin | DMK | 105522 | 60.86% | Aadhi Rajaram | ADMK | 70384 |
| 2016 | M. K. Stalin | DMK | 91303 | 54.25% | Prabhakar J. C. D | ADMK | 37730 |
| 2011 | M. K. Stalin | DMK | 68677 | 48.35% | Sadai Sa. Duraisamy | AIADMK | 2734 |
| 2006 | S. Ve. Shekher | ADMK | 62794 | 42.62% | D. Napoleon | DMK | 1667 |
| 2001 | K.N. Lakshmanan | BJP | 60996 | 51.09% | V. Maitreyan | AIADMK | 6047 |
| 1996 | N.P. Ramajayam | DMK | 79736 | 67.25% | T.K. Sampath | ADMK | 51804 |
| 1991 | T. M. Rangarajan | ADMK | 62845 | 59.31% | Nirmala Suresh | DMK | 26696 |
| 1989 | N. Ganapathy | DMK | 48461 | 40.88% | Sarojinivaradappan | ADK(J) | 18195 |
| 1984 | B. Valarmathi | AIADMK | 51870 | 51.68% | Bharathi. R. S. | DMK | 5474 |
| 1980 | T. K. Kapali | AIADMK | 41260 | 49.66% | Manoharan. K | DMK | 3316 |
| 1977 | T. K. Kapali | DMK | 26044 | 33.75% | Lakshmi Krishnamurthi | JP | 4906 |
| 1971 | K. A. Vezhavendan | DMK | 43355 | 58.41% | P Obul Reddy | INC | 12480 |
| 1967 | K. Vezhavendan | DMK | 35887 | 52.57% | Kamalambujammal | INC | 4360 |
| 1962 | R. Govindarajulu Naidu | INC | 29896 | 47.00% | A. P. Arasu | DMK | 250 |