Chengara Veetil Devan Nair BBM (5 August 1923 – 6 December 2005), also known as C. V. Devan Nair and better known simply as Devan Nair, was a Malaysian-Singaporean politician who served as the third president of Singapore from 1981 until his resignation in 1985. Back in Singapore, Nair echoed his leftist beliefs by becoming involved in the labour movement, serving as Secretary-General of the National Trade Union Congress between 1970 and 1979. Nair lived out his final years in Hamilton, Canada, when he died there at the age of 82 of dementia.