Frederick of Prussia
Frederick of Prussia may refer to the House of Hohenzollern:
- Frederick I of Prussia, First King of Prussia
- Frederick II of Prussia, King known as "Frederick the Great", Grandson of Frederick I
- Prince Frederick of Prussia (1794–1863), Namesake of Fredericksburg, Texas, great-great grandson of Frederick I
- Frederick III, German Emperor, Emperor for 99 days, son of the first German emperor Kaiser Wilhelm I
- Prince Frederick of Prussia (1911–1966), Grandson of Germany's last emperor Kaiser Wilhelm II