|Location||Republic of Karelia|
|Surface area||223 km2 (86 sq mi)|
Lake Keret (Russian: Кереть, Finnish: Kierettijärvi) is a large freshwater lake in the Republic of Karelia, northwestern part of Russia. It has an area of 223 km². There are about 130 islands on the lake. Keret is used for fishery. Lake Keret freezes up in early November and stays icebound until late May.