Kaithapram Vishwanathan Namboothiri (1963 – 29 December 2021) was an Indian musician and music director.
Viswanathan was born in Kaithapram village in Payyanur Taluk of Kannur district in 1963 to Kannadi Kesavan Namboothiri (A Carnatic musician and a disciple of Chembai Vaidyanatha Bhagavathar) and Adithi Antharjanam as their youngest child.
An alumnus of Thiruvananthapuram Music College, Nambudiri handled the orchestra for his brother's songs in Jayaraj's Desadanam.
[1][4][6] He was cremated with full state honours at Thiruvannur Kovilakam crematorium near his home.
He is survived by his wife Gouri, daughters Adithi and Narmada, son Keshav, brothers Damodaran and Vasudevan and sister Thankam.