Black Lake or Black Lakes may refer to:

• Black Lake (Nova Scotia), several lakes
• Black Lake (Saskatchewan)
  • Black Lake Denesuline First Nation, a Denesuline First Nations band government on the northwest shore
• Black Lake, Quebec, a former city that is now part of Thetford Mines

• Algoma District
  • Black Lake (Blind River)
  • Black Lake (Barager Township)
  • Black Lake (LeCaron Township)
• Black Lake (Central Frontenac), Frontenac County
• Haliburton County
  • Black Lake (Dysart et al)
  • Black Lake (Minden Hills)
• Kenora District
  • Black Lake (Marchington River)
  • Black Lake (Sioux Narrows-Nestor Falls)
  • Black Lakes (Ontario), a pair of lakes

• Khar Lake (Khovd)
• Khar Lake (Zavkhan)

• Lago Nero (Ticino) (Black Lake)
• Lai Nair, Tarasp, Grisons (Black Lake)
• Lai Neir (Alp Flix), Sur, Grisons (Black Lake)
• Lej Nair (Bernina), Pontresina, Grisons (Black Lake)
• Schwarzsee/Lac Noir (Black Lake)
• Schwarzsee (Zermatt), Valais (Black Lake)
• Schwarzsee (Oberems), Valais (Black Lake)
• Schwarzsee (Blatten), Valais (Black Lake)
• Schwarzsee (Pizol), canton of St. Gallen

• Black Lake, Sandwell, in the List of areas in Sandwell, England
  • Black Lake tram stop, and the surrounding area and lake
• Black Lake Nature Reserve, Cheshire, England
• Llyn Dulyn (Black Lake), Wales

• Black Lake (Arkansas County, Arkansas), in List of lakes of Arkansas County, Arkansas
• Black Lake (Bradley County, Arkansas), in List of lakes in Bradley County, Arkansas
• Black Lake (Calhoun County, Arkansas), in List of lakes in Calhoun County, Arkansas
• Black Lake (Eagle County, Colorado)
• Black Lake (Florida), in Orange County
• Black Lake (Louisiana), in Natchitoches Parish
• Black Lake (Michigan), in Cheboygan and Presque Isle counties
• Black Lake (Berrien County, Michigan)
• Black Lake (Montana), in List of lakes in Missoula County, Montana
• Black Lake (New York), in Saint Lawrence County
• Black Lake (Washington), in Thurston County

• Černé jezero (Black Lake), the largest lake in the Czech Republic
• Black Lake (Kerry), a mountain pass in Ireland
• Black Lake (Montenegro)
• Black Lake (Triglav Lakes Valley) or Črno jezero, Slovenia
• Karagöl, Giresun (Black lake), Turkey

• Black Lake, a fictional loch near Hogwarts in the Harry Potter films
• Black Lake, the home of the Old Gregg character from The Mighty Boosh BBC television show
• Black Lake, a fictional location in the TV series Twin Peaks
• Black Lake (TV series), a 2016 Swedish TV series
• "Black Lake" a song by Björk from the album Vulnicura
• Black Lake, Maine, a fictional lake in the movie Lake Placid (film). (There is also a real Black Lake in Maine.)
• Black Lakes, Rock Band

• Black Lakes (disambiguation)
• Lac Noir (disambiguation)
• Lago Nero (disambiguation)
• Lai Neir (disambiguation)
• Lej Nair (disambiguation)
• Schwarzer See (disambiguation)
• Schwarzsee (disambiguation)
• Svartsjön, Hanveden (Black Lake), a lake in Södermanland, Sweden
• Crna Bara (disambiguation)