Sunil Kumar Manna (27 August 1968) is an Indian immunologist and the head of the immunology lab of the Centre for DNA Fingerprinting and Diagnostics. He is known for his studies on cell signaling and apoptosis. The Department of Biotechnology of the Government of India awarded him the National Bioscience Award for Career Development, one of the highest Indian science awards, for his contributions to biosciences, in 2009.