Frederiksborg
Frederiksborg may refer to:
- Frederiksborg Castle, in Hillerød, Denmark
 - Frederiksborg, former name of Hillerød, a municipality to the north of Copenhagen, Denmark
 - Frederiksborg County, former county on the island of Zealand in Denmark
 - Fort Frederiksborg, Danish and later English fort built in 1661 in contemporary Ghana
 - Frederiksborger, a kind of horse originating in Denmark
 - Frederiksborg Glacier, on the east coast of the Greenland ice sheet
 
See also
- Treaty of Frederiksborg, signed at Frederiksborg Castle in 1720