M. Subramanian Namboodiri (1 March 1929 – 1 February 2019), commonly known by his pen name Thuppettan, was a Malayalam-language playwright from Kerala, India. Hailing from Panjal, a village in Thrissur district of Kerala, Thuppettan had been a drawing teacher at a local school. His father Ittiravi Namboodiri was a Vedic scholar who tried to reform the conservative practices of the Namboodiri community.