King Frederick may refer to:
- Frederick I of Denmark
- Frederick II of Denmark
- Frederick III of Denmark
- Frederick IV of Denmark
- Frederick V of Denmark
- Frederick VI of Denmark
- Frederick VII of Denmark
- Frederick VIII of Denmark
- Frederick IX of Denmark
- Frederick I of Sweden
- Frederick I of Prussia, previously Frederick III, Elector of Brandenburg
- Frederick II of Prussia, Frederick the Great
- Frederick III, German Emperor, also King Frederick III of Prussia
- Frederick I of Württemberg (1754–1816)
In addition, a number of kings of Prussia were named Frederick William:
- Frederick William I of Prussia (1688–1740)
- Frederick William II of Prussia {1744–1797)
- Frederick William III of Prussia (1770–1840)
- Frederick William IV of Prussia (1795–1861)
Famous quotes containing the words king and/or frederick:
“Lift up your heads, O ye gates; and be ye lift up, ye everlasting
doors; and the King of glory shall come in.”
—Bible: Hebrew Psalm XXIV (l. XXIV, 7)
“But since ‘tis only Fred,
Who was alive and is dead,
There’s no more to be said.”
—Unknown. On Prince Frederick (l. 11–13)