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