Henry Overstolz (born Henry Clemens von Overstolz on July 4, 1821 – November 29, 1887) was the 24th mayor of St.
Louis, Missouri, serving from 1876 to 1881.
He is a direct descendant of the oldest patrician family of Cologne, Germany (the Cologne patricians).
Henry exerted a wide-felt influence on public thought and action, upon political affairs and business activity, and fifteen years prior to his death he retired.