Frederick of Denmark

Frederick of Denmark or Frederik of Denmark may refer to:
 * Frederick I of Denmark (1471–1533), King of Denmark and Norway
 * Frederick II of Denmark (1534–1588), King of Denmark and Norway
 * Frederick III of Denmark (1609–1670), King of Denmark and Norway
 * Frederick IV of Denmark (1671–1730), King of Denmark and Norway
 * Frederick V of Denmark (1723–1766), King of Denmark and Norway
 * Frederick VI of Denmark (1768–1839), King of Denmark and Norway
 * Frederick VII of Denmark (1808–1863), King of Denmark
 * Frederick VIII of Denmark (1843–1912), King of Denmark
 * Frederik IX of Denmark (1899–1972), King of Denmark
 * Frederik X of Denmark (born 1968), King of Denmark
 * Frederick of Denmark (bishop) (1532–1556)
 * Frederick, Hereditary Prince of Denmark (1753–1805)