Fritzøehus is a private estate and palace located in Larvik, Norway.

He owned Fritzøe Jernverk, an ironworks together with sawmills and sizable forest properties in Larvik.

[2] Fritzøehus was designed in Renaissance Revival architecture by architect Jacob Wilhelm Nordan (1824–1892).

In the courtyard stands a water fountain and a sculpture of a bear by sculptor Anne Grimdalen (1899–1961).

The park includes a collection of fallow deer and mouflon from the Mediterranean.