Aspremont-Lynden Castle () is a castle in Oud-Rekem in the municipality of Lanaken, province of Limburg, Belgium.
The present castle, on the site of a mediaeval predecessor, was constructed by the noble family of d'Aspremont Lynden, , in the early 17th century, in the Mosan style.
The building served during the 19th and 20th centuries as a prison and a psychiatric hospital.