Wilhelmus Beekman, Dutch politician (d. 1707)
Wilhelmus Hendricksen Beekman (April 28, 1623 – September 21, 1707) — also known as William Beekman and Willem Beekman (or Beeckman) — was a Dutch immigrant to America who came to New Amsterdam (now New York City) from the Netherlands in the same vessel (the ship Princess, on May 27, 1647) with Director-General and later Governor Peter Stuyvesant.

Beekman soon became Treasurer of the Dutch West India Company, beginning a long life in public service that included being Mayor of New York City, Governor of Delaware, 1653-1664 and Governor of Pennsylvania, 1658-1663.He is the progenitor of the Beekman family in America.