Willebrand

Willebrand or Willebrands may refer to:
 * Von Willebrand disease, a hereditary coagulation abnormality disease
 * Von Willebrand factor, a blood glycoprotein involved in hemostasis
 * Erik Adolf von Willebrand, a Finnish internist
 * Julia Willebrand, an environmental, peace and education activist
 * Johannes Willebrands, a Dutch Cardinal of the Roman Catholic Church