Gronach
{{short description|River in Germany}}
{{Expand German|topic=geo|date=September 2011|Gronach }}
{{Infobox river
| name = Gronach
| image =
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| source1_location =
| mouth_location = Jagst
| mouth_coordinates = {{coord|49.1792|10.0402|region:DE-BW|display=it}}
| progression = {{RJagst}}
| subdivision_type1 = Country
| subdivision_name1 = Germany
| subdivision_type2 = State
| subdivision_name2 = Baden-Württemberg
| length_km = 10.4
| length_ref = {{GeoQuelle|DE-BW|LUBW}}
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The Gronach is a river of Baden-Württemberg, Germany. It is a tributary of the Jagst, into which flows near Satteldorf.