Half Moon Lake or Halfmoon Lake may refer to:
Lakes
edit- In Canada
- Half Moon Lake (Alberta), Canada
- Half Moon Lake, Alberta, a hamlet and resort on the lake
- In the United States
- Half Moon Lake in Bossier Parish, Louisiana
- Half Moon Lake in Calhoun County, Arkansas
- Half Moon Lake in Desha County, Arkansas
- Half Moon Lake in Mississippi County, Arkansas
- Halfmoon Lake (Florida)
- Half Moon Lake (Berrien County, Michigan)
- Half Moon Lake (Meeker County, Minnesota)
- Halfmoon Lake (Barnstead, New Hampshire)
- Half Moon Lake (Polk County, Wisconsin) a water body near Milltown, Wisconsin, United States