Karambar Lake (; ), also known as Qurumbar Lake, is a high-altitude lake located in Ishkoman Valley, District Ghizer, Gilgit Baltistan, Pakistan. It is the 33rd highest lake in the world and lies in the Hindu Kush-Himalaya region, which is one of the world's richest biodiversity regions. With a surface area of , it is the second largest lake in northern Pakistan by surface area, after Attabad Lake. Since 2011 the area surrounding the lake has been part of Qurumbar National Park.
This glacier-fed lake is also known as Qurumbar Lake in some references and also spelled as Karomber or Karamber. The approximate length of the lake is ; it is across at its widest, with an average depth of .
Karambar Lake is the deepest lake in the valley with a maximum and mean depth of 55m and 17.08m, respectively. Its surface area is . Water clarity level is 13.75 (Secchi Disc Reading), which is the highest value ever recorded in the literature of lakes in Pakistan.