Friedrich of Schleswig-Holstein-Sonderburg-Beck
Friedrich von Schleswig-Holstein-Sonderburg-Beck is the name of the following people:
- Friedrich Karl Ludwig of Schleswig-Holstein-Sonderburg-Beck (1757-1816), last Duke of Schleswig-Holstein-Sonderburg-Beck and Prussian, Russian and Danish lieutenant general, see Friedrich Karl Ludwig (Schleswig-Holstein-Sonderburg-Beck)
- Friedrich Ludwig of Schleswig-Holstein-Sonderburg-Beck (1653–1728), Duke of Schleswig-Holstein-Sonderburg-Beck and Field Marshal General, see Friedrich Ludwig (Schleswig-Holstein-Sonderburg-Beck)
- Friedrich Wilhelm I of Schleswig-Holstein-Sonderburg-Beck (1682–1719), Duke of Schleswig-Holstein-Sonderburg-Beck, see Friedrich Wilhelm I (Schleswig-Holstein-Sonderburg-Beck)
- Friedrich Wilhelm II of Schleswig-Holstein-Sonderburg-Beck (1687–1749), Duke of Schleswig-Holstein-Sonderburg-Beck, Prussian field marshal and governor of Berlin, see Friedrich Wilhelm II. (Schleswig-Holstein-Sonderburg-Beck)
- Friedrich Wilhelm III. von Schleswig-Holstein-Sonderburg-Beck (1723–1757), Duke of Schleswig-Holstein-Sonderburg-Beck, Prussian colonel, governor of Brandenburg an der Havel and bearer of the Order of the Red Eagle, see Friedrich Wilhelm III. (Schleswig-Holstein-Sonderburg-Beck)