Fortaleza River

{{short description|River in Brazil}}

{{about|the river in Brazil|the river in Peru|Fortaleza River (Peru)}}

{{Infobox river

| name = Fortaleza River

| image =

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| source1_location = Paraná state

| mouth_location =

| mouth = Iapó River

| mouth_coordinates = {{Coord|24|29|S|50|22|W|display=inline,title}}

| subdivision_type1 = Country

| subdivision_name1 = Brazil

| length =

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}}

The Fortaleza River is a river of Paraná state in southern Brazil.