Blue Lake may refer to:
Places Antarctica Blue Lake (Ross Island) Australia Blue Lake (New South Wales) Blue Lake (Queensland) Blue Lake National Park, a former protected area in Queensland Blue Lake / Warwar, South Australia
Croatia Blue Lake (Croatia)
Italy Blue Lake (Italy)
New Zealand Blue Lake (Bay of Plenty) Blue Lake (Canterbury) Blue Lake (Otago) Blue Lake (Tasman) Blue Lake (Waikato), in a crater of Mount Tongariro Blue Lake (Raoul Island), in the Kermadec Islands
Romania Blue Lake (Maramureș County), natural monument, collapsed mine gallery
United States Blue Lake (Alaska) Arkansas Blue Lake in Crittenden County, Arkansas Blue Lake in Lee County, Arkansas Blue Lake in Ouachita County, Arkansas Blue Lake in Polk County, Arkansas Either of two Blue Lakes in Prairie County, Arkansas Blue Lake in Union County, Arkansas Blue Lake in Woodruff County, Arkansas California Blue Lake, California – a city in Humboldt County Blue Lakes (California) – a string of lakes in Lake County Blue Lake (Madera County, California) Florida Blue Lake, north of Lake Placid, Florida Blue Lake (Sebring, Florida) Indiana Blue Lake, Indiana Blue Lake, Indianapolis, Indiana Michigan Blue Lake (Michigan) Blue Lake Township, Kalkaska County, Michigan Blue Lake Township, Muskegon County, Michigan Minnesota Blue Lake (Hubbard County, Minnesota) New Mexico Blue Lake (New Mexico) Oregon Blue Lake Regional Park in Fairview, Oregon Blue Lake (Oregon) Washington Blue Lake, in Grant County, Washington, north of Soap Lake, Washington Utah Blue Lake (Utah)
Other a variety of Green beans Blue Lake Fine Arts Camp in Twin Lake, Michigan Blue Lake (album), live album by Don Cherry released in 1974
See also Blue Lakes Blausee (Blue Lake) in Switzerland Qinghai Lake Göygöl