Ramasamy Nallakannu (26 December 1924 â 25 February 2026) was an Indian politician. He was a senior leader of the Communist Party of India (CPI), who served as the State Secretary of the Communist Party of India of Tamil Nadu from 1992 to 2005.
In 2018, Nallakannu individually fought a court case in Madurai, and won at the High Court. The court ordered a ban on digging sands from the Thamirabarani River of his native place. On 2 December 2010, the court banned the taking of sand from the river for 5 years. He undertook many hunger strikes, some lasting more than 20 days. He was honoured by the Vice President of the People's Republic of China during his visit to Beijing.
In 1999, Nallakannu stood for Coimbatore constituency on parliamentary election. He secured 43.21% of total votes, and was defeated by CP Radhakrishnan.
Nallakannu married Ranjitham Ammal, a retired school headmistress from Srivaikuntam in Tuticorin district, with whom he had two daughters. Ranjitham died in Chennai in 2016, aged 82.
Nallakannu died from multiple organ failure on 25 February 2026, at the age of 101.