Wielbark

Wielbark may refer to:

• Wielbark, Pomeranian Voivodeship (German: Willenberg), a village in northern Poland

• Wielbark culture (German: Willenberg Kultur), an ancient culture discovered in 1873 around Willenberg

• Wielbark, Warmian-Masurian Voivodeship (German: Willenberg), a village in north-east Poland