Frederick William

• Frederick III, German Emperor
• Frederick William Hervey, 1st Marquess of Bristol
• Frederick William I (disambiguation)
• Frederick William I of Prussia
• Frederick William II of Prussia
• Frederick William III of Prussia
• Frederick William IV of Prussia
• Frederick William Mulley
• Frederick William Pethick-Lawrence, 1st Baron Pethick-Lawrence
• Frederick William University
• Frederick William von Hessenstein
• Frederick William von Steuben
• Frederick William, Duke of Brunswick and Lüneburg
• Frederick William, Duke of Mecklenburg-Schwerin
• Frederick William, Elector of Brandenburg
• Frederick William, Grand Duke of Mecklenburg-Strelitz
• Frederick Williams (disambiguation)
• Friedrich Wilhelm (disambiguation)
• Hohenzollern
• Humboldt University of Berlin
• Mount Frederick William
• Prince Frederick of Great Britain
• Prince Friedrich Wilhelm of Prussia