Radbuza River
                    General data
- Name: Radbuza River
 - Water system: Elbe
 - Water type: River
 - Progression: Berounka -> Vltava -> Elbe -> North Sea -> Atlantic Ocean -> Planet Earth
 - Climates: Temperate
 - Continents: Europe
 - Countries: Czech Republic
 
The Radbuza is a river in the Czech Republic, the secondary source river of the Berounka River. It is 109.7 km long, making it the 17th longest river in the Czech Republic.