The Sayavaneswarar Temple or Chaayaavaneswarar is a Hindu temple situated in the village of Thirusaikkadu [or Thiruchaykkadu or Chaayavanam] near Kaveripoompattinam or Puhar, Mayiladuthurai in Mayiladuthurai district of Tamil Nadu, India. The presiding deity is the Hindu god Shiva. The temple dates from the time of the Medieval Cholas. The Saivite Nayanmars have sung of the temple in their songs.