| Lahr | |
| Coordinates: | 49.9442°N 6.2911°W |
| Image Plan: | Lahr in BIT.svg |
| State: | Rheinland-Pfalz |
| District: | Eifelkreis Bitburg-Prüm |
| Verbandsgemeinde: | Südeifel |
| Elevation: | 300 |
| Area: | 7.23 |
| Postal Code: | 54675 |
| Area Code: | 06566 |
| Licence: | BIT |
| Gemeindeschlüssel: | 07 2 32 072 |
| Website: | Lahr at site www.suedeifelinfo.de |
| Mayor: | Stefan Jüngels[1] |
| Leader Term: | 2019 - 24 |
| Bürgermeistertitel: | Ortsbürgermeister |
Lahr (pronounced as /de/) is a municipality in the district of Bitburg-Prüm, in Rhineland-Palatinate, western Germany.