Ferdinand Otto Wilhelm Henning von Westphalen (April 23, 1799 - July 2, 1876) German politician and the Interior Minister of Prussia in the reaction era 1850–1858.
Westphalen restored Provincial Estates, despite constitutional concerns.
His tenure saw opposition from Otto Theodor von Manteuffel.
Upon Prince Wilhelm's regency, Westphalen left his ministerial role.
[1] Despite their political differences, he remained on amicable terms with the couple formed by the marriage of his half-sister Jenny von Westphalen to Karl Marx.