1984 Tamil Nadu Legislative Assembly election

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1984 Tamil Nadu Legislative Assembly election

← 1980 24 December 1984 1989 →
All 234 seats in the Legislature of Tamil Nadu 118 seats needed for a majority
Turnout	73.47%
First party Second party   Leader M. G. Ramachandran M. Karunanidhi Party AIADMK DMK Alliance Congress alliance Janata alliance Leader's seat Andipatti did not contest Seats won 195 34 Seat change 29 25 Popular vote 11,681,221 8,021,293 Percentage 53.87% 37.00% Swing 4.95% 7.43%
1984 election map (by constituencies)
Chief Minister before election M. G. Ramachandran AIADMK Elected Chief Minister M. G. Ramachandran AIADMK

The eighth legislative assembly election for Tamil Nadu was held on 24 December 1984. All India Anna Dravida Munnetra Kazhagam (AIADMK) won the election and its general secretary, incumbent M. G. Ramachandran (M.G.R) was sworn in as Chief Minister, for the third time. The election victory was mainly attributed to the sympathy wave created by Indira Gandhi's assassination and M.G.R's illness coupled with Rajiv Gandhi's popularity. This is the last election M.G.R contested as he died in office in 1987. This is also the only General Election which M. Karunanidhi did not contest since 1957 until his death. As of 2023, this is the last election where the ruling party gained seats.