The Juliana Republic (Portuguese: "República Juliana") or Catarinense Republic ("República Catarinense"), officially the Free and Independent Catharinense Republic ("República Catharinense Livre e Independente"), was a revolutionary state that existed between 29 July and 15 November 1839, in the province of Santa Catarina of the Empire of Brazil. The Republic was proclaimed in an extension of the Ragamuffin War started in the neighboring province of Rio Grande do Sul, where the Riograndense Republic had already been created.