Frederick of Denmark
Frederick of Denmark or Frederik of Denmark may refer to:
- Frederick I of Denmark, King of Denmark and Norway
- Frederick II of Denmark, King of Denmark and Norway
- Frederick III of Denmark, King of Denmark and Norway
- Frederick IV of Denmark, King of Denmark and Norway
- Frederick V of Denmark, King of Denmark and Norway
- Frederick VI of Denmark, King of Denmark and Norway
- Frederick VII of Denmark, King of Denmark
- Frederick VIII of Denmark, King of Denmark
- Frederik IX of Denmark, King of Denmark
- Frederik X of Denmark, King of Denmark
- Frederick of Denmark (bishop)
- Frederick, Hereditary Prince of Denmark