P Krishnaiah, born on 18 February 1952, is a retired Indian Administrative Service officer from the 1987 batch of the Andhra Pradesh cadre. He holds a postgraduate degree and a graduate degree in Botany. Over his career, he served in various capacities including Chief Executive, Secretary, Commissioner, Director, Executive Director, District Collector and Magistrate, Joint Collector, Deputy Commissioner, Additional Commissioner, Officer on Special Duty to Minister, General Manager, Project Director, and Revenue Divisional Officer. His most recent position was Chief Executive at Hyderabad, Telangana, from 4 July 2008 to 29 February 2012, within the Fishermen Welfare and Fisheries Development Department.