A. V. Thamarakshan (born 24 April 1946) is a politician from the South Indian state of Kerala. He has been member of Kerala Legislative Assembly multiple times. he started his political career with Revolutionary Socialist Party (RSP) which later on split to form Revolutionary Socialist Party. RSP(B) went on to merge with Janathipathiya Samrakshana Samithy in 2009. Thamarakshan has also been independent candidate.
A long-time member of the Revolutionary Socialist Party (RSP), A. V. Thamarakshan rose to the ranks of Central Committee member and Kerala state secretariat member. He was also the president of the United Trade Union Congress and various individual trade unions. He stood as a RSP candidate in the Mararikulam seat in the 1977 Kerala Legislative Assembly election. He won the seat with 39,094 votes (50.43%), defeating CPI(M) candidate P.K. Chandrandan. He retained the seat in the 1980 election, obtaining 45,714 votes (55.50%), defeating independent candidate Raju Gangadharan. During this tenure he was the chairman of the Committee on Subordinate Legislation. In the 1982 election he got 44,567 votes (51.10%), defeating independent candidate Pachady Sreedharan.
A. V. Thamarakshan stood as an independent in the Haripad constituency in the 1987 Kerala Legislative Assembly election, finishing in second place with 45,603 votes (46.07%). He lost the seat to Indian National Congress candidate Ramesh Chennithala. He was elected to the Legislative Assembly in a bye-election in the Haripad constituency held on 27 February 1990. However, he lost the Haripad seat in the 1991 election. He obtained 52,376 votes (48.62%) and was defeated by Congress candidate K.K. Sreenivasan. He re-took the Haripad seat in the 1996 election, obtaining 54,055 votes (50.26%) and defeating Congress candidate N. Mohan Kumar. During this tenure, the chairman of the Kerala state legislative environmental commission.