Radu may refer to:
Raduň is a village in the Moravian-Silesian Region of the Czech Republic. As of January 1, 2013, the population was about 1,000.
The first written mention of the village was in 1312.
Coordinates: 49°53′13″N 17°56′33″E / 49.88694°N 17.94250°E / 49.88694; 17.94250
Raduč is a village in the Lika-Senj County, Croatia. The settlement is administered as a part of Lovinac municipality.
It is located in Lika, 25 kilometers from Gračac, on the state road D50.
According to national census of 2011, population of the settlement is 12. The majority of the population are Serbs.