P Dayachari, born on January 3, 1948, is a retired Indian Administrative Service officer from the 1980 Andhra Pradesh cadre. He holds degrees in Economics, Law (LL.B.), and a postgraduate degree in Economics. Throughout his career, he served in various capacities including Additional Secretary, Chairman, Commissioner, Managing Director, Vice Chairman & Managing Director, Director, Vice Chairperson, District Collector, Executive Director, Joint Collector, and Sub Collector. His most recent position was Additional Director General at the Doctor Marri Channa Reddy Human Resource Development Institute from April 11, 2006, to January 31, 2008.