Jabach
{{About|the river of Germany|the altarpiece painting of Albrecht Dürer|Jabach Altarpiece}}
{{short description|River in Germany}}
{{Expand German|topic=geo|date=October 2011|Jabach}}
{{Infobox river
| name = Jabach
| image =
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| source1_location =
| mouth_location = Agger
| mouth_coordinates = {{coord|50.8499|N|7.2126|E|region:DE|display=it}}
| progression = {{RAgger}}
| subdivision_type1 = Country
| subdivision_name1 = Germany
| subdivision_type2 = State
| subdivision_name2 = North Rhine-Westphalia
| length_km = 7.8
| length_ref = {{GeoQuelle|DE-NW|GSK3C}}
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Jabach is a river of North Rhine-Westphalia, Germany. It flows into the Agger near Lohmar.