Wissembourg (French pronunciation: ​[visɑ̃buʁ]; South Franconian: Weisseburch, pronounced [ˈvaɪsəbʊʁç]; (German:  Weißenburg )) is a commune in the Bas-Rhin department in Alsace-Champagne-Ardenne-Lorraine in northeastern France.

It is situated on the little River Lauter close to the border between France and Germany approximately 60 km (37 mi) north of Strasbourg and 35 km (22 mi) west of Karlsruhe. Wissembourg is a sub-prefecture of the department. The name Wissembourg is a Gallicized version of Weißenburg (Weissenburg) in German meaning, "white castle".