Prince Friedrich Wilhelm Nikolaus Albrecht of Prussia (8 May 1837–13 September 1906) was a Prussian general field marshal and, from 1885, regent of the Duchy of Brunswick. He was born in Berlin, the son of Prince Prince Albert of Prussia (1809–1872) and his wife Princess Marianne of the Netherlands (1810-1883), daughter of King Willlem I of the Netherlands. His father was a brother of King Friedrich Wilhelm IV of Prussia and of Kaiser Wilhelm I of Germany.
1873 he married Marie of Saxe-Altenburg (1854-1898) aka nl:Maria van Saksen-Altenburg, daughter of Ernst I, Duke of Saxe-Altenburg (1826-1908) and his wife Friederike Amalie Agnes of Anhalt-Dessau (1824-1897).
Their children were:
- nl:Frederik Hendrik van Pruisen (1874-1940)
- nl:Joachim Albert van Pruisen (1876-1939)
- nl:Frederik Willem van Pruisen (1880-1925)