Lake Hamilton or Hamilton Lake may refer to: Hamilton Lake (Alberta), Canada Hamilton Lake (Nova Scotia), Canada Lake Rotoroa (Hamilton) or Hamilton Lake, a lake in New Zealand Hamilton Lake (suburb), a residential suburb around Lake Rotoroa in Hamilton, New Zealand Lake Hamilton (Arkansas), U.S. Lake Hamilton, Arkansas, a community in the U.S. Lake Hamilton (Florida), U.S. Lake Hamilton, Florida, a town in the U.S.