Krishna Kumar Singh, born on February 2, 1966, is a retired Indian Administrative Service officer from the 2014 batch, Jharkhand cadre. He holds a graduate degree and served in various capacities during his tenure. Most recently, he was the Member Secretary of the State Commission for Backward Classes, Jharkhand, from January 5, 2024, to February 28, 2026. Throughout his career, Singh contributed to the administrative framework of Jharkhand until his retirement.