Soundararajaperumal Temple is a Hindu temple in Nagapattinam dedicated to Vishnu. It is one of the Divya Desams, the 108 temples of Vishnu revered in Nalayira Divya Prabandham by the Tirumangai Azhwar, one of the 12 poet saints called Alwars of the 6th-9th century. The other prominent Hindu temples in the district are Sikkal Singaravelan Temple at Sikkal, Vedaranyeswarar Temple at Vedaranyam, Ettukudi Murugan Temple and Koothanur Maha Saraswathi Temple.