Omalur is a panchayat town located in the Salem district of the Indian state of Tamil Nadu. It serves as the administrative seat for the Omalur taluk and is one of 31 panchayat towns within the district.
The town covers an area of approximately 5.5 square kilometers (2.1 square miles). According to the 2011 census, Omalur had a population of 16,279 individuals.