Gopal Krishna Pillai or G. K. Pillai (born 30 Nov 1949) is an Indian Administrative Service (I.A.S) officer and the former Home Secretary in the Government of India. He studied at Bishop Cotton Boys' School, Bangalore and St. Joseph’s College, Bangalore, and later obtained an M.Sc from IIT, Madras. He belongs to the Kerala cadre of the 1972 batch of I.A.S. G.K. Pillai held diverse positions in the state government of Kerala such as: