Periya Negamam is a panchayat town in Pollachi taluk of Coimbatore district in the Indian state of Tamil Nadu. Located in the north-western part of the state, it is one of the 33 panchayat towns in the district. Spread across an area of 10.88 km2 (4.20 sq mi), it had a population of 7,098 individuals as per the 2011 census. The region is known for its handloom industry and the production of Negamam cotton saris.