Rajendra Kumar Tiwari (born February 4, 1963), commonly known as R. K. Tiwari is an Indian civil servant and Indian Administrative Services officer of Uttar Pradesh cadre from the 1985 batch
He is serving as the Chief Secretary of the Government of Uttar Pradesh since his appointment in August 2019, succeeding Anup Chandra Pandey.
He completed his graduation in B.Tech from the Indian Institute of Technology Kanpur. He also holds a master's degree in Arts from the UK.
Tiwari joined Indian Administrative Service as an officer in 1985. He has served in several bureaucratic positions for the Government of India and the Government of Uttar Pradesh, including Joint Secretary to the Government of India in the Ministry of Agriculture And Co-operation.
He has served previously in various departments in the Uttar Pradesh government like higher and secondary education, industrial development, agriculture, infrastructure, commercial tax, labour, IT and electronics etc
He was the additional chief secretary home in the Government of Uttar Pradesh and has also served as District Magistrate and Collector in Agra, Sultanpur and Mirzapur in the past.