Iauareté (or Iauaretê) is a small town in São Gabriel da Cachoeira Municipality, Amazonas state in Brazil.

Located at the confluence point of the Uaupés and Papurí rivers, sub-regions densely populated by the Tariano, Tucano, Pira-tapuya, Wanano, Arapasso, Tuyuka and other ethnic groups.

It served as a point of reference for countless travelers who traveled the area since the end of the eighteenth century, for rubber tappers and merchants who exploited indigenous labor and, finally, as a base for Salesian missionaries who in 1930 implanted a great mission there dedicated to catechesisof the Indians.

At the end of the 1980s, an army platoon and an airstrip were built in Iauaretê, as part of a program for the defense and colonization of the North Amazonian border, the so-called Calha Norte Project.

The local population is about 3 thousand people, and the aspect of the place is that of a small town, with electricity, telephone, television, schools and commerce.