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

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