Kalasapakkam is a state assembly constituency in Tiruvannamalai district of Tamil Nadu, India. It comprises portions of the Kalasapakkam, Polur and Chengam taluks and is a part of Tiruvannamalai Lok Sabha constituency for national elections to the Parliament of India. This constituency did not exist during the elections held in 1957 and 1962. It is one of the 234 State Legislative Assembly Constituencies in Tamil Nadu, in India.