Jaap Egbert Doek (born May 1, 1942 in Emmen) is a Dutch jurist, specialising in family and juvenile law.
He is a professor of law at the Vrije Universiteit in Amsterdam, where he was the Dean of the Law Faculty from 1988 to 1992.
He is a deputy justice in the Court of Appeal of Amsterdam and he was a juvenile court judge in the district court of Alkmaar and the Hague (1978–1985).