Bad Kreuznach is a town in the Bad Kreuznach district in Rhineland-Palatinate, Germany. It is a spa town, most well known for its medieval bridge dating from around 1300, the Alte Nahebrücke, which is one of the few remaining bridges in the world with buildings on it.
The town is located in the Nahe River wine region, renowned both nationally and internationally for its wines, especially from the Riesling, Silvaner and Müller-Thurgau grape varieties.
Bad Kreuznach does not lie within any Verbandsgemeinde, even though it is the seat of the Bad Kreuznach. The town is the seat of several courts, as well as federal and state authorities. Bad Kreuznach is also officially a große kreisangehörige Stadt, meaning that it does not have the district-level powers that kreisfreie Städte enjoy. It is, nonetheless, the district seat, and also the seat of the state chamber of commerce for Rhineland-Palatinate. It is classed as a middle centre with some functions of an upper centre, making it the administrative, cultural and economic hub of a region with more than 150,000 inhabitants.