Sadu (Jiu)
{{Infobox river
| name = Sadu
| native_name =
| native_name_lang =
| name_other =
| name_etymology =
| image =
| image_size =
| image_caption =
| pushpin_map = Romania
| subdivision_type1 = Country
| subdivision_name1 = Romania
| subdivision_type2 = Counties
| subdivision_name2 = Gorj County
| length = {{convert|22|km|mi|abbr=on}}
| width_min =
| width_avg =
| width_max =
| depth_min =
| depth_avg =
| depth_max =
| discharge1_location=
| discharge1_min =
| discharge1_avg =
| discharge1_max =
| source1 = Parâng Mountains
| source1_location =
| source1_coordinates=
| source1_elevation =
| mouth = Jiu
| mouth_location = Bumbești-Jiu
| mouth_coordinates = {{coord|45.1835|23.3826|display=inline,title}}
| mouth_elevation =
| progression = {{RJiu}}
| river_system =
| basin_size = {{convert|22|km2|abbr=on}}
| tributaries_left = Zănoaga, Sădișor
| tributaries_right = Sadul lui Sân, Alunul
| custom_label =
| custom_data =
| extra =
}}
The Sadu is a left tributary of the river Jiu in Romania.{{GeoSource|RO|Annex7|541}}{{GeoSource|RO|Atlas|242|VII.1.20}} It discharges into the Jiu in Bumbești-Jiu.[http://www.e-calauza.ro/index.php?afiseaza=pluta_noua&rau=434 Sadu / Sadul (jud. Gorj)], e-calauza.ro Its length is {{convert|22|km|abbr=on}} and its basin size is {{convert|22|km2|abbr=on}}.{{GeoSource|RO|Atlas|242|VII.1.20}}