Atonu Chatterjee, born on March 6, 1963, is a retired Indian Administrative Service officer from the 2006 batch, West Bengal cadre. He served in the Department of Co-operation and Registrar of Co-operative Societies. His most recent designation was Registrar, a position he held from September 8, 2022, to March 31, 2023. Prior to this, he held roles including Additional Secretary and Commissioner. Throughout his career, Chatterjee contributed to various administrative functions within his cadre until his retirement.