Thiruvaduthurai Adheenam is a Saivite mutt based in the town of Thiruvaduthurai in Kuthalam taluk of Mayiladuthurai District, Tamil Nadu, India. The adheenam maintains the Mayuranathaswami temple at Mayiladuthurai. As of 1987, there were a total of 15 Shiva temples under the control of the adheenam.