M Sathiyamoorthi, born on 23 June 1949, is a retired Indian Administrative Service officer from the 1980 Tamil Nadu cadre. He holds postgraduate degrees in Economics and Law, along with a graduate degree in Economics. Throughout his career, he served in various capacities including Project Director, Managing Director, Director, Joint Commissioner, Deputy Secretary, District Collector, Deputy Commissioner, Settlement Officer, Chief Executive, Senior Manager, District Revenue Officer, Deputy Director, District Supply Officer, Special Officer, and Revenue Divisional Officer. His most recent designation was Under Suspension Director from 6 August 1996 to 17 December 2006.