Lake Emily may refer to the following bodies and water and one ghost town:
Lakes
United States
- Lake Emily, Mendocino County, California
- Lake Emily (Le Sueur County, Minnesota), Le Sueur County, Minnesota
- Lake Emily (McLeod County, Minnesota), McLeod County, Minnesota
- Lake Emily (Portage County, Wisconsin)
- Lake Emily (Dodge County, Wisconsin)
New Zealand
Ghost towns