Willenberg may refer to:
Samuel Willenberg (1923–2016), Polish-Israeli sculptor and Holocaust survivor Jan Willenberg (1571–1613), author of woodcuts, prints and drawings active in Moravia and Bohemia.
Places Willenberg culture, an Iron Age archaeological complex in northern Europe Wielbark, Pomeranian Voivodeship (German: Willenberg), a village in northern Poland Wielbark, Warmian-Masurian Voivodeship (German: Willenberg), a village in north-east Poland Willenburg, a ruined castle in Germany
See also Wielbark (disambiguation)