Mahalakshminathar Temple is a small temple situated at Tiruninrayur, in Nagapattinam District, Tamil Nadu. It is just 5 km from Mayiladuthurai and 3 km from Anandhathandavapuram. The temple is dedicated to Lord Shiva and Goddess Parvati. Lord Shiva is known here by the name and Mahalakshminathar and goddess by the name Ulaganayaki.