Dr. G. Nanchil Kumaran, also known as Nanjil Kumaran, is an Indian Police Service Officer from Tamil Nadu. He served as DVAC Director and Police commissioner in Chennai, and he became famous for helping solve the 1998 Coimbatore bombings.
In 1982, during IPS training, Dr.G. Nanchil Kumaran had a marriage with fellow IPS officer G. Thilakavathi and they got Divorced after martial differences..