Lake Helen or Helen Lake may refer to several places:
United States Helen Lake, Montana Lake Helen, Florida, a city in Florida Lake Helen (Portage County, Wisconsin) Lake Helen (Wyoming), a lake in the Big Horn Mountains Lake Helen (California), a lake in Northern California
Canada Helen Lake (Vancouver Island) Lake Helen 53A - First Nations reserve in Ontario, located on the namesake Lake Helen (Ontario)
See also Helen (disambiguation) Lake St. Helen, Michigan