Thevar Jayanthi, celebrated on 30 October, is an annual commemoration of the birthday of Pasumpon Muthuramalingam Thevar. It is celebrated in a grand way by the Thevar community in the southern districts of Tamil Nadu. Although not an official public holiday, many schools and businesses in the area remain closed on the day.

Ukkirapandi Muthuramalinga Thevar, also known as Pasumpon Muthuramalinga Thevar, was a politician, patriarch of Thevar community. He was elected three times to the national Parliamentary Constituency. The birth anniversary of Muthuramalinga Thevar on October 30 is celebrated annually by the Thevar community in the southern districts of Tamil Nadu as Thevar Jayanthi.