Lahr may refer to:
Places Lahr/Schwarzwald, a town in Baden-Württemberg Canadian Forces Base Lahr, now known as Black Forest Airport, a former military airport located in Lahr Lahr, Bitburg-Prüm, a municipality in the district Bitburg-Prüm, Rhineland-Palatinate Hüttingen bei Lahr, a municipality in the district of Bitburg-Prüm, in Rhineland-Palatinate Lahr (Hunsrück), a municipality in the district Rhein-Hunsrück-Kreis, Rhineland-Palatinate Burglahr, a municipality in the district of Altenkirchen, in Rhineland-Palatinate Laer, a German municipality in the district of Steinfurt, in North Rhine-Westphalia
Other uses Lahr (surname)
See also Lars, common name Laar (disambiguation) (Dutch form)