Thiruthangal is a neighborhood and one of the zones of Sivakasi City, located in India. It serves as a significant religious site within the municipal corporation area.
The area is notable for housing several prominent temples, most significantly the Nirna Narayana Perumal temple. This site is recognized as one of the 108 Divya Desams, which are Vishnu temples revered by the Alwars, saint poets who lived between the 6th and 9th centuries. Additionally, Thiruthangal is known for the Karunellinathar temple, which is situated adjacent to the Nirna Narayana temple.