Afon Gwili (Loughor)
{{Short description|River in South Wales}}
{{Use dmy dates|date=March 2020}}
{{one source|date=January 2024}}
{{about|the river which is a tributary to the Loughor|the river which is a tributary of the River Towy|River Gwili}}
{{Infobox river
| name = Afon Gwili
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| image = Ford and Footbridge over the River Gwili - geograph.org.uk - 1220692.jpg
| image_caption = Ford and Footbridge over the Gwili near Cwmgwili
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| pushpin_map = Wales
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| subdivision_type1 = Country
| subdivision_name1 = Wales
| subdivision_type2 = County
| subdivision_name2 = Carmarthenshire
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| source1 =
| source1_location = Near Cross Hands
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| mouth = River Loughor
| mouth_location = Near Pontarddulais
| mouth_coordinates = {{coord|51.7093417|-4.0521062|display=inline|region:GB_type:river_source:GNS-enwiki}}
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The Afon Gwili is a right-bank tributary of the River Loughor in the east of Carmarthenshire, South Wales. It rises near Cross Hands before flowing in a generally southerly direction past the small village of Cwmgwili to join with the Loughor beyond Hendy near Pontarddulais.Ordnance Survey 1:50,000 scale Landranger map sheet 159 Swansea