Thirunallar taluk is a taluk of Karaikal District, Puducherry, India. The taluk headquarters is located at Thirunallar.

The taluk consists of the following revenue villages:

Vadamattam Kilianur Agarakurumbagaram Melakasakudy Melasuprayapuram Pettai Sorakudy Elyankudi Uliapathu Sellur Thennankudy Pandaravadisethur Nallambal Ambagarathur

It also includes the following commune panchayats.

Thirunallar Nedungadu