Sri Sivalogathyagar Temple is a Lord Shiva temple in Achalpuram in, Nagapattinam district of Tamil Nadu. This is a padal petra sthalam.
The temple was constructed during 8th century AD. It has a 100 pillar temple and has a 5 tiered Raja gopuram.
According to legends, the Lord Shiva here was worshipped by Sundarar. He has attained the feet of Lord Shiva along with his wife in this temple.