Hertog Jan was a restaurant in Bruges and (from July 2014) Loppem–Zedelgem, Belgium. It was led by chefs Gert De Mangeleer and Joachim Boudens.
It was rated with 3 stars by the Michelin Red Guide, one of only three restaurants in the country as of 2012[update].
On 22 December 2018, Hertog Jan was closed to open a brasserie in Antwerp.