Gryttjen

{{Infobox body of water

| name = Gryttjen

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| location = Gävleborg County, Sweden

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| coordinates = {{coord|61|48|0|N|16|17|0|E|type:landmark|display=inline,title}}

| type = lake

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| pushpin_map = Sweden Gävleborg # Sweden

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| pushpin_map_alt = Location of the lake

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Gryttjen is a lake located to the northeast of Järvsö in Gävleborg County, Sweden. It lies along Highway 84. Near its south shore is an island named Tjuvholmen.