Hardenbergh is a surname. Notable people with the surname include:
Augustus Albert Hardenbergh, Congressman from New Jersey Cornelius A.J. Hardenbergh, politician from New York Henry Janeway Hardenbergh, American architect Johannes Hardenbergh, High Sheriff Jacob Hardenbergh (1823–1872), New York politician Jacob Rutsen Hardenbergh (1736–1790), First President of Rutgers, grandson of Johannes
See also Hardenbergh, alternate name for Hardenburg, California Isaac Hardenbergh House (also known as The Hardenbergh Manor) Hardenberg (surname) Hardenberg (disambiguation) Hardenburg (disambiguation)