Cat Lake (Ontario)

{{Infobox body of water

| name = Cat Lake

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| pushpin_map = Canada Ontario

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| pushpin_map_caption = Location in Ontario

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| location = Kenora District, Ontario

| coords = {{coord|51|42|02|N|91|50|53|W|region:CA-ON|display=inline,title}}

| coordinates_footnotes = {{cite cgndb|id= FDJYZ|title= Cat Lake|accessdate= 2014-12-21}}

| type = Lake

| part_of = James Bay drainage basin

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| outflow = Cat River

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| basin_countries = Canada

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Cat Lake is a lake in Kenora District in Northwestern Ontario, Canada. It is the source of the Cat River. The Cat Lake First Nation served by Cat Lake Airport is on the central north shore of the lake.