List of rivers in Amazonas (Brazilian State).
The list is arranged by drainage basin, with respective tributaries indented under each larger stream's name and ordered from downstream to upstream. Amazonas is located entirely within the Amazon Basin.
By Drainage Basin
Amazon River (includes Solimões) Tapajós River Juruena River Bararati River Nhamundá River Piratucu River Mamuru River Uaicurapa River Andirá River Paraná Urariá (Amazon and Madeira side channel) Maués Açu River Urupadi River Amanã River Paracori River Parauari River Apoquitaua River Paraconi River Abacaxis River Marimari River Canumã River Mapiá Grande River Acari River Camaiú River Sucunduri River Uatumã River Jatapu River Capucapu River Pitinga River Urubu River Madeira River Prêto do Igapó-Açu River Autaz-mirim River Tupana River Matupiri River Amapá River Luna River Aripuanã River Arauá River Juma River Roosevelt River Madeirinha River Guaribe River Maracanã River Mariepauá River Mataurá River Uruá River Manicoré River Manicorezinho River Jatuarana River Dos Marmelos River Maici River Sepoti River Ipixuna River Preto da Eva River Rio Negro Tarumã Açu River Tarumã Mirim River Cuieiras River Apuaú River Puduari River Curiuaú River Camanaú River Jaú River Carabinani River Unini River Papagaio River Pauini River Guariba River Arara River Preto River Jauaperi River Alalaú River Jufari River Caurés River Cuini River Demini River Araçá River Curuduri River Marari River Toototobi River Cuieiras River Ararirá River Padauari River Preto River Daraá River Urubaxi River Uneiuxi River Tea River Marauiá River Cauaburi River Maiá River Marié River Iá River Curicuriari River Uaupés River Papuri River Içana River Cubate River Cuiari River Aiari River Xie River Manacapuru River Purus River Jari River Ipixuna River Itaparaná River Jacaré River Tapauá River Cuniuá River Pinhuã River Mucum River Açuã River Umari River Paciá River Ituxi River Jamicia River Arauã River Ciriquiri River Curuquetê River Coti River Endimari River Sepatini River Tumiã River Mamoriá River Seruini River Pauini River Atucatiquini River Muaco River Inauini River Acre River Antimary River Andirá River Iaco River Piorini River Badajós River Mamiá River Coari River Arauá River Urucu River Itanhauá River Tefé River Japurá River Atiparaná River Mapari River Juami River Puruê River Traira River Uarini River Juruá River Mineruázinho River Xeruã River Tarauacá River Itucumã River Envira River Jurupari River Acurauá River Eiru River Gregório River Liberdade River Ipixuna River Jutai River Copatana River Riozinho River Zinho River Biá River Pati River (Bóia River) Mutum River Jutaizinho River Tonantins River Içá River Pureté River Jandiatuba River Javary River Itaquai River Quixito River Ituí River Curuçá River Pardo River Arrojo River Jaquirana River