Ranjna Mukherji, born on 26 May 1958, is a retired Indian Administrative Service officer from the 1983 batch, West Bengal cadre. She holds a graduate degree in Physics, a postgraduate degree in Physics, and a Diploma in Management. Throughout her career, she served in various capacities including Sub Divisional Officer, Additional Executive Officer, Director, and Officer on Special Duty to the Minister. Her most recent designation was Director, a position she held from 1 July 1999 to 22 December 2002.