N. C. Sekhar alias Narayanan Pillai Sekhar Chandrasekharan Pillai (2 July 1904 - 3 December 1986) was a freedom fighter, political leader, Rajya Sabha member and writer.
Participated in the 1930 Civil disobedience movement and was imprisoned.
While in jail, he met Bhagat Singh's colleagues.
When the Congress Socialist Party was formed in 1934, P. Krishna Pillai contacted Shekhar and entrusted him with the task of building the Kozhikode trade unions.
Although he worked with the Naxalite movement, he soon withdrew and returned to the CPI (M).