Vankalai or Vangalai or Vangkaalai (Tamil: வங்காலை vaṅkālai) is a predominantly fishing and farming village situated in Mannar District of the Northern Province of Sri Lanka.

It lies along the Naanaattan Road with the sea on its west connecting to the Indian Ocean.

The shores from Vankalai 20 km south to the ancient Tamil subsidiary port of Kudiramalai formed the world's most famous pearl fishing banks in the classical and medieval periods.

There are a number of teachers, government officials, clergymen, nuns and professionals from the area.

Vankalai is a Christian village with Roman Catholics being more than 99% and Protestant groups comprising the remainder.