Crater Lake is a lake in Klamath County, Oregon, United States.
Crater Lake may also refer to:
a lake in the Elk Mountains
an alpine lake in Custer County
a lake in Deception Island, South Shetland Islands, Antarctica
Crater Lake, a lake near , Tasmania, Australia
Crater Lake (Te Wai ā-moe), a lake on the summit of , New Zealand
Crater Lake, a 1987 novel
a lake created by a meteor
including a list of lakes
a lake on Vancouver Island, British Columbia, Canada