A water dog is a type of gundog bred to flush and retrieve game from water.
Water dog, waterdog or water-dog may also refer to:
Animals Dogs Barbet (a.k.a. French water dog) Cantabrian Water Dog Lagotto Romagnolo (a.k.a. Italian water dog) Moscow Water Dog, extinct breed Portuguese Water Dog Spanish Water Dog St. John's water dog, extinct Tweed Water Spaniel, extinct breed
Other animals Waterdog, the gilled, aquatic larval form of the tiger salamander, often sold as pets or fishing bait Waterdog, a common name for the genus Necturus, which can also be called mudpuppy Water-dog, a former colloquial term for the giant otter
Other The Water Dog, a 1914 American film starring Fatty Arbuckle Water Dog Lake, Belmont, California Water Dog (Chinese Zodiac), the 59th combination of the sexagenary cycle