Liku is a village close to the easternmost point of the island of Niue. It lies due east of the capital, Alofi.
Liku is connected to the capital by a road which traverses the centre of the island. It is also - along with Lakepa, six kilometres to the north and Hakupu, 10 kilometres to the south - one of three villages on the east coast road which connects Vaiea in the south with Mutalau on the north coast.
The village is the birthplace of New Zealand artist John Pule and the home of international artist Mark Cross and his wife, master weaver Ahitautama.
Situated in the rainforest two kilometers South of Liku is the Hikulagi Sculpture Park, an ongoing environmental art project.
Liku is one of the fourteen constituencies in Niue, electing one representative to the Niue Assembly. Following the 2008 general election, its representative is Pokotoa Sipeli, who serves as Minister of Post and Telecommunications, Minister of Agriculture, Forestry and Fisheries, and Minister of Administrative Services.