Frederick of Brunswick-Lüneburg
Frederick of Brunswick-Lüneburg may refer to:

 Frederick I, Duke of Brunswick-Lüneburg (c. 1357–1400)
 Frederick II, Duke of Brunswick-Lüneburg (1418–1478), also called Frederick the Pious
 Frederick III, Duke of Brunswick-Lüneburg (1424–1495), also called Frederick the Restless
 Frederick IV, Duke of Brunswick-Lüneburg (1574–1648)
 Frederick Ulrich, Duke of Brunswick-Wolfenbüttel (1591–1634)
 Frederick Charles Ferdinand, Duke of Brunswick-Lüneburg (1729–1809)
 Frederick William, Duke of Brunswick-Wolfenbüttel (1771–1815)