List of Chief Ministers of Karnataka: Since 1947, there have been a total of twenty-three chief ministers of Mysore [as the state was known before 1 November 1973] or chief ministers of Karnataka. K. Chengalaraya Reddy, K. Hanumanthaiah, Kadidal Manjappa, S. Nijalingappa, B. D. Jatti, S. R. Kanthi, Veerendra Patil, D. Devaraj Urs, R. Gundu