Madurai Adheenam is one of the oldest and most respected Saivite religious institutions in Tamil Nadu. It is headquartered in Madurai and is dedicated to the propagation of Saiva Siddhanta, Tamil culture, and Hindu spiritual traditions.

The Madurai Adheenakarthar (Madurai Adhinam) is the spiritual head of the institution and plays a significant role in promoting religious teachings, temple traditions, Tamil literature, and social service activities. The Adheenam has historically contributed to the preservation and development of Tamil language, Saivite philosophy, and religious heritage.