G Muthusamy, born on August 5, 1951, is a retired Indian Administrative Service officer from the 1986 Tamil Nadu cadre. Holding a postgraduate degree in Physics, he served in various capacities including Principal Secretary, Secretary, Inspector General, Commissioner, Director, Managing Director, Additional Director, Deputy Secretary, Special Officer, Deputy Director, Personal Assistant to Collector, Assistant Settlement Officer, Special Deputy Collector, and Revenue Divisional Officer. His most recent position was Principal Secretary in the Youth Welfare and Sports Development Department from September 8, 2010, to August 31, 2011.