Weilbach

Weilbach may refer to:


 * Weilbach, Austria, a municipality in Upper Austria
 * Weilbach, Germany, a municipality in Bavaria
 * Weilbach (Main), a river of Hesse, Germany
 * Weilbachs Kunstnerleksikon, a Danish biographical dictionary of artists and architect
 * Iver C. Weilbach & Co. A/S, a Danish provider of nautical charts and publications for the shipping industry
 * Weilbach or Bad Weilbach, districts of the town Flörsheim am Main, Hesse, Germany
 * Philip Weilbach (1834–1900), Danish art historian and encyclopedian, worked on Weilbachs Kunstnerleksikon