Simon James Greenhill is a New Zealand scientist who works on the application of quantitative methods to the study of cultural evolution and human prehistory. He is well known for creating and building various linguistics databases, including the Austronesian Basic Vocabulary Database, TransNewGuinea.org, Pulotu, and many others. In addition to Austronesian, he has contributed to the study of the phylogeny of many language families, including Dravidian and Sino-Tibetan.