Killiyoor (also spelled Killiyur) is a prominent town, revenue village, and administrative taluk located in the western coastal sector of the Kanyakumari district in Tamil Nadu. Bordered by the Arabian Sea on its west and situated near the interstate border with Kerala, Killiyoor reflects a beautiful geographic and cultural transition between the two southern states.
​Historically a key component of the old Travancore Kingdom, modern Killiyoor is widely recognized for its vibrant maritime economy, intensive coconut-based agriculture, and high literacy rates.