Uil
{{Other uses}}
{{Infobox river
| name = Uil
| other_name = Ойыл
| image =
| image_caption =
| source1 = Sub-Ural Plateau
| source1_coordinates = {{coord|49|32|N|56|48|E|source:wikidata|}}
| source1_elevation =
| mouth = Aktobe
| mouth_location =
| mouth_coordinates = {{coord|48.5410|N|52.4041|E|source:wikidata|display=it}}
| progression =
| subdivision_type1 = Country
| subdivision_name1 = Kazakhstan
| length = {{convert|800|km|abbr=on}}
| discharge1_avg =
| basin_size = {{convert|31500|km2|abbr=on}}
| pushpin_map = Kazakhstan
| pushpin_map_size =
| pushpin_map_caption= Mouth location in Kazakhstan
}}
The Uil ({{langx|kk|Ойыл|translit=Oyyl}}; {{langx|ru|Уил|translit=Uil}}) is a river of Aktobe, Atyrau and West Kazakhstan regions, Kazakhstan. It is {{convert|800|km}} long, and has a drainage basin of {{convert|31500|km2}}.[http://bse.sci-lib.com/article113750.html Уил], Great Soviet Encyclopedia
Course
It has its sources in the Mugodzhar Hills and has many tributaries. Finally it discharges into lake Aktobe in the Caspian Depression.{{cite web|url=https://maps.vlasenko.net/smtm1000/m-43.jpg|title=M-43 Topographic Chart (in Russian)|access-date=13 October 2022}}Google Earth