S Ramachandran, born on March 4, 1946, is a retired Indian Administrative Service officer from the 1995 batch, Tamil Nadu cadre. He holds a graduate degree and has served in various capacities including Sub Collector, Joint Commissioner, multiple terms as District Collector, Deputy Secretary, and Director. His most recent position was Director in the Department of Textiles from August 8, 2005, to March 31, 2006. Throughout his career, he contributed to the administrative framework of Tamil Nadu until his retirement.