Frederiksborg
Frederiksborg is
- Frederiksborg Amt, a former Danish Amtskommune on North Zealand
- Frederiksborg Castle, a moated castle in Hillerød on the Danish island of Zealand
Frederiksborg is the name of:
- Alexandra of Frederiksborg (born 1964, née Alexandra Christina Manley ), divorced wife of Prince Joachim of Denmark
- Disambiguation