Kankesanthurai, colloquially known as KKS, is a port suburb, fishing division and resort hub of the Jaffna District, Northern Province, Sri Lanka. Formerly an electoral district, Kankesanthurai is home to the Kankesanthurai beach, Keerimalai Naguleswaram temple and the Maviddapuram Kandaswamy Temple. The port's harbour has served as an arrival and departure point for pilgrims since classical antiquity and is named after the Sri Lankan Tamil god Murukan. Kankesanthurai suburb has many fishing villages and Grama Niladhari and is a northern part of Valikamam, one of the three regions of ancient habitation on the Jaffna peninsula, located on the peninsula's northern coast, 12 miles from Jaffna city, 85 miles from Mannar and 155 miles from Trincomalee.

The Northern Province is one of the nine provinces of Sri Lanka. The province has an area of 8,884 km2, making it the 3rd largest province by area, and a population of 1,061,315, making it the least populated province. The city of Jaffna is the capital city of the province.