Gravataí River

{{Infobox river

| name = Gravataí River

| image =

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| source1_location = Rio Grande do Sul state

| mouth_location =

| mouth_coordinates = {{Coord|29|58|S|51|12|W|display=inline,title}}

| subdivision_type1 = Country

| subdivision_name1 = Brazil

| length =

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}}

Gravataí River ({{IPA|pt|ɡɾavataˈi}}) is a river that runs along Gravataí (a city located in the metropolitan area of Porto Alegre city).