Ankerbach
{{short description|River in Germany}}
{{More citations needed|date=November 2024}}
{{Expand German|topic=geo|date=October 2011|Ankerbach}}
{{Infobox river
| name = Ankerbach
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| mouth_location = Rhine
| mouth_coordinates = {{coord|50.7155|N|7.1554|E|source:wikidata-and-enwiki-cat-tree_region:DE|display=it}}
| progression = {{RRhine}}
| subdivision_type1 = Country
| subdivision_name1 = Germany
| subdivision_type2 = State
| subdivision_name2 = North Rhine-Westphalia
| length_km = 4.374
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Ankerbach is a small river of North Rhine-Westphalia, Germany. It has a length of 4.4 km{{cite web |title=Gewässerverzeichnis des Landesamtes für Natur, Umwelt und Verbraucherschutz NRW |url=http://www.lanuv.nrw.de/wasser/pdf/Gewaesserverzeichnis%20GSK3C.xls |website=lanuv.nrw.de |publisher=Landesamt für Natur, Umwelt und Verbraucherschutz Nordrhein-Westfalen (LANUV) |access-date=28 November 2024 |archive-url=https://web.archive.org/web/20131228062035/http://www.lanuv.nrw.de:80/wasser/pdf/Gewaesserverzeichnis%20GSK3C.xls |archive-date=2013-12-28 |language=de |date=2010}} and its drainage basin has am area of 3 km2. It joins the Rhine river at km 650.55, near Bonn.