Krishna Kumar Mahto, born on 15 March 1947, is a retired Indian Administrative Service officer from the 1988 Bihar cadre. A graduate by education, he served in various capacities including District Collector and Magistrate, Director, Additional Secretary, and Project Coordinator. His most recent position was Labour Commissioner in the Labour Department, a role he held from 16 March 2006 to 31 March 2007. Throughout his career, Mahto contributed to administrative functions within the Bihar cadre until his retirement.