Ibbankatuwa Megalithic Tombs site is an ancient burial site located near Ibbankatuwa Wewa in Galewela DS, Sri Lanka. The site is believed to be belongs to the megalithic prehistoric and protohistoric periods of Sri Lanka and considered as one of the several ancient burial sites that have been found in the country. The site is situated on the Kurunegala – Dambulla road approximately five kilometers before Dambulla town. Currently, the tomb site has been designated as an archaeological protected site in Sri Lanka.

The tomb complex covers an area of about 1 km2 (0.39 sq mi) with 42 clusters of tombs and each cluster contains about 10 tombs. Each tomb is enclosed with four stone slabs and covered by another slab on the top. According to the way of interment two distinct burial customs, urn (bodies were placed in urns and interred) and cist (ashes of deceased were interred) have been identified.