Karlsberg may refer to:
- Karlsberg Brewery (since 1878, alias Karlsbräu), in Homburg, Saarland, Germany
- Karlsberg Castle (1778–1793), a ruin in Homburg, Saarland, Germany
- Karlsberg Hill, near the German city of Homburg, Saarland
See also
edit- Carlsberg
- Burgruine Karlsberg, a castle in Carinthia, Austria