Natesan Krishnasamy Rangasamy is an Indian politician who is the Chief Minister of the Union Territory of Puducherry. He previously served as last Chief Minister of Pondicherry from 2001 to 2006 and first Chief Minister of Puducherry from 2006 to 2008 as a member of the Indian National Congress and then from 2011 to 2016 as a member of his own party, the All India N.R. Congress. He holds the record of becoming Chief Minister within three months after creating his own party. He also holds concessive record of becoming Chief Minister of Puducherry for fourth time.

Puducherry, also known as Pondicherry, is a union territory of India, consisting of four small geographically unconnected districts. It was formed out of four territories of former French India, namely Pondichéry, Karikal (Karaikal), Mahé and Yanaon, excluding Chandannagar (Chandernagore), and it is named after the largest district, Puducherry, which was also the capital of French India. Historically known as Pondicherry, the territory changed its official name to Puducherry on 1 October 2006.