John Wompas (c. 1637-1642 – 1679) was a Nipmuc Indian man born around 1637 in Nipmuc Country, in what would become the state of Massachusetts. He spent the first half of his childhood among his Native kin and the second half living with an English family in Roxbury, Massachusetts Bay Colony. This dual upbringing gave him fluency in the languages and customs of both Nipmuc and colonial English worlds. He used his cross-cultural knowledge largely for personal economic and political gain, but at the end of his life he also turned it to the benefit of his Nipmuc kin.