| Lehbach | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | Rhineland-Palatinate |
| Subdivision Type3: | Reference no. |
| Subdivision Name3: | DE: 26562 |
| Source1 Location: | In the Osburger Hochwald at the foot of the Rösterkopf |
| Source1 Elevation: | ca. |
| Mouth Location: | Near Niederkell into the Ruwer |
| Mouth Elevation: | ca. |
| Basin Size: | [1] |
| Custom Label: | References |
The Lehbach, in its upper reaches also called Spalbach, is a right-hand tributary of the Ruwer in the county of Trier-Saarburg in the German state of Rhineland-Palatinate.It has a length of, a catchment area of . Its GKZ is 26562.
It rises in the highlands of the Osburger Hochwald at the foot of the Rösterkopf mountain and, together with the 3.205adj=midNaNadj=mid Ellersbach (also Kreidbach), in whose source region is a raised bog, impounded to form the .
The Lehbach lies within the Naturschutzgebiet (nature reserve) of and discharges near Niederkell into the Ruwer.