Gimborn Castle (German: Schloss Gimborn) is a former moated castle situated in a remote valley of the upper Leppe in the municipality of Marienheide in the Oberbergischer Kreis of North Rhine-Westphalia, Germany.

Districts neighbouring on Gimborn are Boinghausen in the north, Jedinghausen in the east, Erlinghagen in the south, and Unterlichtinghagen in the west.

Since 1874 the castle has belonged to the Barons von Fürstenberg zu Gimborn.

Since 1969 the Castle has served as a conference site and meeting place for the International Police Association.

Once a year, the Castle opens its gates to the Schützenfest of the Gimborn Saint Sebastianus Schützenverein.