John Frederick

• Johannes Friedrich (disambiguation)
• John Frederick (Australian cricketer)
• John Frederick (English cricketer)
• John Frederick (London MP)
• John Frederick I, Elector of Saxony
• John Frederick of Holstein-Gottorp
• John Frederick, Count Palatine of Sulzbach-Hilpoltstein
• John Frederick, Duke of Brunswick-Lüneburg
• John Frederick, Duke of Pomerania
• John Frederick, Duke of Saxe-Weimar
• John Frederick, Duke of Württemberg
• John Frederick, Margrave of Brandenburg-Ansbach
• John Frederick, Prince of Schwarzburg-Rudolstadt
• John Friedrich (disambiguation)
• John T. Frederick
• John W. Frederick Jr.
• Max Brand
• Sir John Frederick, 4th Baronet
• Sir John Frederick, 5th Baronet