Westerholt to Westerholt and Alst
Westerholt zu Westerholt und Alst is the family name of the following people:
- Bernhard Heinrich Burckhardt von Westerholt zu Westerholt and Alst (1657–1708), ancestor of the von Westerholt family
- Hermann Otto von Westerholt zu Westerholt and Alst (1625–1708), ancestor of the Westerholt family
- Josef Clemens von Westerholt zu Westerholt and Alst (1720–1766), Chamberlain of the Electorate of Cologne, Fideikommißherr zu Westerholt