Radu I was a Voivode of Wallachia. His year of birth is unattested in primary sources. He was the son of Nicolae Alexandru and half-brother and successor to Vladislav I. He is identified by historians as the name origin of the legendary Radu Negru, a mythical voievode of the early medieval state Wallachia, founder of the state's institutions and ruler.
- Position held
- lord of Wallachia
- Citizenship
- Principality of Wallachia
- Born
- 1330
- Died
- 1383
