Willem Johan Pieter Kroef (Vlissingen, 31 March 1793 — Zierikzee, 1 August 1853) was a Dutch politician.
[1] Kroef studied Roman and contemporary law at Utrecht University.
Willem Kroef's father was Johan Cornelis Kroef, public prosecutor in Vlissingen, bailiff in Zierikzee and Brouwershaven, and prosecutor in Zierikzee.
He married Maria Wilhelmina Fitzner, with whom he had 7 children kinderen.
After Maria died, Kroef married Adrienne Gertrude de Klopper, with whom he had 2 more children.