Cândido Mariano da Silva Rondon, or Marechal Rondon (5 May 1865 – 19 January 1958) was a Brazilian military officer who is most famous for his exploration of Mato Grosso and the Western Amazon Basin, and his lifelong support of Brazilian indigenous populations. He was the first director of Brazil's Indian Protection Bureau (SPI/FUNAI) and supported the creation of the Xingu National Park. The Brazilian state of Rondônia is named after him. He was made Marshal, the highest military rank in Brazil.