The German Republic or Republic of Germany can refer to:

• The German Reich (1919–1933), also called the Weimar Republic, the historical German state in existence from 1919 to 1933
• The German Democratic Republic (East Germany), the historical German socialist state aligned with Eastern Bloc in existence from 1949 to 1990
• The Federal Republic of Germany (West Germany), also called the Bonn Republic, the contemporary German state aligned with Western Bloc between 1949 and 1990
• The Federal Republic of Germany (reunited Germany), also called the Berlin Republic, the contemporary German state since 1990