| Border: | parliamentary |
| Minister: | not_prime |
| Post: | Leader of Opposition of Kerala |
| Insignia: | File: Emblem of Kerala state Vector.svg |
| Insigniasize: | 100px |
| Insigniacaption: | Seal of the Government of Kerala |
| Incumbent: | V. D. Satheesan |
| Incumbentsince: | 22 May 2021 |
| Appointer: | Governor of Kerala |
| Style: | The Honourable |
| Status: | Leader of Opposition |
| Member Of: | Kerala Legislative Assembly |
| Termlength: | 5 years |
| Inaugural: | P. T. Chacko (1957–1959) |
| Deputy: | P. K. Kunhalikutty |
| Seat: | Kerala Niyamasabha |
The post of Leader of the Opposition in the Kerala Legislative Assembly has been held by 11 politicians since the Assembly was established in 1957. All have belonged to either the Indian National Congress, the Communist Party of India or the Communist Party of India (Marxist). The current Leader of the Opposition is V. D. Satheesan. V. S. Achuthanandan has served as Leader of the Opposition for 15 years which makes him the longest serving Leader of the Opposition in Kerala Legislative Assembly.
Key
| SL No. | Portrait | Name | Constituency | Party | Term of office | Assembly | Chief Minister | |||
|---|---|---|---|---|---|---|---|---|---|---|
| From | To | |||||||||
| 1 | P. T. Chacko | Vazhoor | Indian National Congress | 5 April 1957 | 31 July 1959 | 1st (1957-59) | E. M. S. Namboodiripad | |||
| 2 | Pattambi | Communist Party of India | 22 February 1960 | 10 September 1964 | 2nd (1960-64) | Pattom Thanu PillaiR. Sankar | ||||
| 3 | Mala | Indian National Congress | 6 March 1967 | 1 November 1969 | 3rd (1967-70) | E. M. S. Namboodiripad | ||||
| (2) | Pattambi | Communist Party of India (Marxist) | 1 November 1969 | 1 August 1970 | C. Achutha Menon | |||||
| 4 October 1970 | 25 March 1977 | 4th (1970-77) | ||||||||
| Alathur | 25 March 1977 | 22 February 1978 | 5th (1977-79) | K. KarunakaranA. K. Antony | ||||||
| (3) | Mala | Indian National Congress | 23 February 1978 | 13 August 1979 | A. K. AntonyP. K. Vasudevan Nair | |||||
| 4 | T. K. Ramakrishnan | Thrippunithura | Communist Party of India (Marxist) | 13 August 1979 | 11 October 1979 | P. K. Vasudevan Nair | ||||
| 5 | Alappuzha | Communist Party of India | 11 October 1979 | 1 December 1979 | CH Mohammed Koya | |||||
| (3) | Mala | Indian National Congress | 25 January 1980 | 20 October 1981 | 6th (1980-82) | E. K. Nayanar | ||||
| 6 | Malampuzha | Communist Party of India (Marxist) | 28 December 1981 | 17 March 1982 | K. Karunakaran | |||||
| 24 May 1982 | 25 March 1987 | 7th (1982-87) | ||||||||
| (3) | Mala | Indian National Congress | 26 March 1987 | 17 June 1991 | 8th (1987-91) | E. K. Nayanar | ||||
| (6) | Communist Party of India (Marxist) | 24 June 1991 | 29 February 1992 | 9th (1991-96) | K. Karunakaran | |||||
| 7 | V. S. Achuthanandan | 1 March 1992 | 9 May 1996 | K. KarunakaranA. K. Antony | ||||||
| 8 | Cherthala | Indian National Congress | 20 May 1996 | 13 May 2001 | 10th (1996-2001) | E. K. Nayanar | ||||
| (7) | V. S. Achuthanandan | Malampuzha | Communist Party of India (Marxist) | 17 May 2001 | 12 May 2006 | 11th (2001-06) | A. K. AntonyOommen Chandy | |||
| 9 | Oommen Chandy | Puthuppally | Indian National Congress | 18 May 2006 | 14 May 2011 | 12th (2006-11) | V. S. Achuthanandan | |||
| (7) | V. S. Achuthanandan | Malampuzha | Communist Party of India (Marxist) | 18 May 2011 | 20 May 2016 | 13th (2011-16) | Oommen Chandy | |||
| 10 | Ramesh Chennithala | Haripad | Indian National Congress | 25 May 2016 | 20 May 2021 | 14th (2016-21) | Pinarayi Vijayan | |||
| 11 | Paravur | 22 May 2021 | Incumbent | 15th (2021-) |
| 1. | E.M.S. Namboodiripad | 2 | 1957-59, 1967-69 | 4 | 1960-64, 1969-70, 1970-77, 1977-78 | |
| 2. | K. Karunakaran | 4 | 1977, 1981-82, 1982-87, 1991-95 | 4 | 1967-69, 1978-79, 1980-81, 1987-91 | |
| 3. | A.K. Antony | 3 | 1977-78, 1995-96, 2001-04 | 1 | 1996-2001 | |
| 4. | P.K. Vasudevan Nair | 1 | 1978-79 | 1 | 1979 | |
| 5. | E.K. Nayanar | 3 | 1980-81, 1987-91, 1996-2001 | 3 | 1981-82, 1982-87, 1991-92 | |
| 6. | Oommen Chandy | 2 | 2004-06, 2011-16 | 1 | 2006-11 | |
| 7. | V.S. Achuthanandan | 1 | 2006-11 | 3 | 1992-96, 2001-06, 2011-16 |
E.M.S. Namboodiripad, A.K. Antony, E.K. Nayanar, Oommen Chandy and P.K. Vasudevan Nair first served as Chief Ministers before occupying the post of Leader of the Opposition.
K. Karunakaran and V.S. Achuthanandan served as Leader of the Opposition before donning the mantle of Chief Ministership.
P.T. Chacko, T.K. Ramakrishnan, Ramesh Chennithala and incumbent Leader of the Opposition V.D. Satheesan have not served as Chief Minister. Conversely, Pattom Thanu Pillai, R. Sankar, C. Achutha Menon, C.H. Mohammed Koya and incumbent Chief Minister Pinarayi Vijayan have not served as Leader of the Opposition.
| Name | Party | Length of term | No: of terms | |||||
|---|---|---|---|---|---|---|---|---|
| Terms | Total years in office | |||||||
| data-sort-value="1" | 1 | CPI(M) | 1992-96, 2001-06, 2011-16 | 14 years, 65 days | 3 | |||
| 2 | E. M. S. Namboodiripad | CPI(M)/CPI | 1960-64, 1969-70, 1970-77, 1977-78 | 12 years, 220 days | 4 | |||
| data-sort-value="2" | 3 | INC | 1967-69, 1978-79, 1980-81, 1987-91 | 8 years, 118 days | 4 | |||
| 4 | E. K. Nayanar | CPI(M) | 1981-82, 1982-87, 1991-92 | 5 years, 270 days | 3 | |||
| data-sort-value="4" | 5 | INC | 2016-21 | 4 years, 361 days | 1 | |||
| 6 | Ramesh Chennithala | 2006-11 | 4 years, 360 days | 1 | ||||
| 7 | 1996-2001 | 4 years, 358 days | 1 | |||||
| 8 | V. D. Satheesan | 2021 onwards | 1 | |||||
| 9 | P. T. Chacko | 1957-59 | 2 years, 117 days | 1 | ||||
| data-sort-value="8" | 10 | T. K. Ramakrishnan | CPI(M) | 1979 | 60 days | 1 | ||
| data-sort-value="11" | 11 | CPI | 1979 | 51 days | 1 | |||