Koviladi is a village in Thanjavur district of Tamil Nadu state in India.
Koviladi is located with the coordinates of () in Thanjavur district.
According to the 2011 census of India, Koviladi village had a population of 3,700, out of which 1,829 persons are males and 1,871 persons are females.
A Perumal temple one of the 108 Divya desams, viz., Appalarenganathar Swamy Temple and a Shiva temple named Divyagnanesvarar Temple which are maintained under the control of Hindu Religious and Charitable Endowments Department, are situated at Koviladi.