15 elections on record · CPI(M) dominant · 15 total
Manachanallur is an Assembly constituency in Tamil Nadu. It has participated in 15 elections from 1962 to 2026. CPI(M) is the historically dominant party with 5 wins out of 15 elections.
| Year | Winner | Party | Votes | Vote % | Runner-up | Party | Margin |
|---|---|---|---|---|---|---|---|
| 2026 | S. Kathiravan | DMK | 81447 | 38.82% | V. Saravanan | TVK | 12364 |
| 2021 | S. Kathiravan | DMK | 116334 | 59.14% | M. Paranjothi | ADMK | 59618 |
| 2016 | Parameswari M | ADMK | 83083 | 46.17% | Ganesan S | DMK | 7522 |
| 2011 | Poonachi T. P. | AIADMK | 83105 | 53.12% | Selvaraj N | DMK | 19190 |
| 2006 | N. Nanmaran | CPI(M) | 36383 | 38.20% | M. Boominathan | MDMK | 51 |
| 2001 | N. Nanmaran | CPI(M) | 32461 | 43.29% | V. Velusamy | DMK | 5304 |
| 1996 | V. Velusamy | DMK | 39478 | 46.24% | T.R. Janardhanan | ADMK | 19297 |
| 1991 | O.S. Amarnath | ADMK | 50336 | 64.00% | P.M. Kumar | CPI(M) | 30088 |
| 1989 | S. R. Eradha | AIADMK | 40519 | 48.88% | N. Sankaraiah | CPI(M) | 13323 |
| 1984 | K. Kalimuthu | AIADMK | 43210 | 51.08% | P. M. Kumar | CPI(M) | 6238 |
| 1980 | N. Sankaraiah | CPI(M) | 36862 | 49.35% | Ramamoorthy. M. A. | INC | 5939 |
| 1977 | N. Sankaraiah | CPI(M) | 24263 | 33.45% | A. G. Subbraman | INC | 1985 |
| 1971 | Sundaram Pillai O. N. | INC | 27775 | 39.8% | Jama Hussain | IND | 1391 |
| 1967 | A. Balasubramanayam | CPI(M) | 42381 | 58.93% | O. C. Pillai | INC | 12844 |
| 1962 | T. P. Alagamuthu | DMK | 38686 | 55.38% | R. Rama Reddiar | INC | 7518 |