Gladna
{{Infobox river
| name = Gladna
| native_name =
| native_name_lang =
| name_other = Râul
| name_etymology =
| image =
| image_size =
| image_caption =
| pushpin_map = Romania
| subdivision_type1 = Country
| subdivision_name1 = Romania
| subdivision_type2 = Counties
| subdivision_name2 = Timiș County
| subdivision_type3 = Villages
| subdivision_name3 = Gladna Română, Gladna Montană, Fârdea, Surducu Mic, Traian Vuia
| length = {{convert|34|km|abbr=on}}
| width_min =
| width_avg =
| width_max =
| depth_min =
| depth_avg =
| depth_max =
| discharge1_location=
| discharge1_min =
| discharge1_avg =
| discharge1_max =
| source1 =
| source1_location =
| source1_coordinates=
| source1_elevation =
| mouth = Bega
| mouth_location = Leucușești
| mouth_coordinates = {{coord|45|49|53|N|22|0|38|E|display=inline,title}}
| mouth_elevation =
| progression = {{RBega}}
| river_system =
| basin_size = {{convert|173|km2|abbr=on}}
| tributaries_left = Rozalia, Valea Moașei, Hăuzeasca
| tributaries_right = Zoldiana, Munișel, Timișel
| custom_label =
| custom_data =
| extra =
}}
The Gladna or Râul is a left tributary of the river Bega in Romania.{{GeoSource|RO|Annex7|491-492}}{{GeoSource|RO|Atlas|200|V.1.10}} It discharges into the Bega in Leucușești. Its length is {{convert|34|km|abbr=on}} and its basin size is {{convert|173|km2|abbr=on}}.{{GeoSource|RO|Atlas|200|V.1.10}} The Surduc Dam is built on the Gladna.