Raoni Metuktire (born in 1932), also known as Chief Raoni or Ropni, is an Indigenous Brazilian leader and environmentalist. He is a chief of the Kayapó people, a Brazilian Indigenous group from the plain lands of the Mato Grosso and Pará in Brazil, south of the Amazon River and along Xingu River and its tributaries. He is internationally famous as a living symbol of the fight for the preservation of the Amazon rainforest and indigenous culture.