Viswnath D S, born on 15 April 1956, is a retired Indian Administrative Service officer from the 2002 batch, Karnataka cadre. Throughout his career, he held multiple key positions including Deputy Commissioner, Additional Commissioner, Managing Director, Secretary, and Commissioner. His most recent role was Commissioner at Bangalore, Karnataka, beginning 31 May 2014. He served in the Labour Department during his tenure. Viswnath D S contributed to various administrative capacities before retiring from service.