Kalahasteeswarar Temple is a Hindu temple dedicated to Shiva located at Kumbakonam in Thanjavur district, Tamil Nadu, India.

[1] The moolavar presiding deity, is found in his manifestation as Kalahasteeswarar.

[2] 12 Shiva temples are connected with Mahamaham festival which happens once in 12 years in Kumbakonam.

[3] The temple was renovated by Serfoji of Thanjavur.

[2] The Mahasamprokshanam also known as Kumbabishegam of the temple was held on 26 October 2015.