Puliyantivu (Tamil: புளியந்தீவு, romanized: Puḷiyantīvu; Sinhala: කොටිදූව Koṭidūva) is an island off the coast of Jaffna peninsula in northern Sri Lanka, located approximately 26 kilometres (16 mi) west of the city of Jaffna. The island has an area of 0.44 square kilometres (0.17 sq mi).