Kallkkulam taluk is a taluk of Kanyakumari district of the Indian state of Tamil Nadu. The headquarters of the taluk is the town of Kallkkulam.Up to 1957, Kallkkulam Taluk formed part of the Travancore Kingdom and subsequently the Travancore-Cochin State. It was when the States were divided on linguistic basis that Kallkkulam, Thovalai, Vilavancode, and Agastheeswaram Taluks of the erstwhile Thiruvananthapuram District of the then Travancore-Cochin State were included in the then Madras State (later renamed as Tamil Nadu) as Kanyakumari District.
Kallkkulam taluk has been an important administrative division of the erstwhile Travancore Kingdom. Padmanabhapuram, the erstwhile capital of Travancore State is situated with in Kallkkulam Taluk. It was at Kallkkulam that Maharaja Marthanda Verma of Travancore Kingdom (the then Venad Kingdom) executed the eight Nair feudal Lords Ettuveetil Pillamar who challenged his authority to the throne.