Waroux Castle (French: Château de Waroux) is a castle in Belgium, located in the old region of Hesbaye, in the ancienne commune of Alleur, Ans, Liège Province, Wallonia.

Waroux was one of the rare circular castles in Belgium.

For centuries it was the property of the de Waroux family until 1525, when it died by marriage.

The castle became the property of the commune of Ans in 2005.

This article about a castle or château in Belgium is a stub.