Thammampatti is a panchayat town in Gangavalli taluk of Salem district in the Indian state of Tamil Nadu. It is one of the 31 panchayat towns in the district. Spread across an area of 8 km2 (3.1 sq mi), it had a population of 21,503 individuals as per the 2011 census. Thammampatti wood carving from the region is recognized as a Geographical Indication.