Prince Friedrich Wilhelm of Prussia (German: Prinz Friedrich Wilhelm Viktor Karl Ernst Alexander Heinrich von Preußen; 12 July 1880 – 9 March 1925) was a member of the House of Hohenzollern, great-grandson of Frederick William III of Prussia.

Friedrich Wilhelm was born at Kamenz Palace in Kamenz, Kingdom of Prussia, (now Kamieniec Ząbkowicki, Poland) youngest child of Prince Albert of Prussia (1837–1906), (son of Prince Albert of Prussia and Princess Marianne of the Netherlands) and his wife, Princess Marie of Saxe-Altenburg (1854–1898), (daughter of Ernst I, Duke of Saxe-Altenburg and Princess Agnes of Anhalt-Dessau). He was great-grandson of King Frederick William III of Prussia and King William I of the Netherlands. He was second cousin of Wilhelm II, German Emperor.

During his youth, he spent time in Berlin, also at his grandmother's Reinhartshausen Castle in Erbach and in Brunswick, where his father served as regent. A few years later he studied law at the University of Bonn, where he received the degree of Doctor of Philosophy. His main interests were in literature and music.

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