Sir Kumarapuram Seshadri Iyer (also spelled Aiyar) (1 June 1845 – 13 September 1901), was an Indian advocate who served as the 15th Diwan of Mysore from 1883 to 1901. He was the second longest serving diwan of Mysore after Diwan Purnaiah. He is regarded by most as the maker of Modern Bangalore. Seshadri Iyer was born in a Tamil-Speaking family from Palghat in the Malabar district of Madras Presidency which is in modern day Kerala. He had his early education in Calicut and graduated in arts from Presidency College, Chennai, in 1868. He was also a qualified lawyer.