Mikalojus Radvila the Old was a Lithuanian noble. He was known after a patronym Radvilaitis, made of his father's name Radvila, which in turn became a family name of his heirs, Radvilos, which later polonised as Radziwiłł.
- Occupation
- politician
- Position held
- kasztelan trocki, Voivode of Vilnius, Voivodes of Nowogródek, Q123760093
- Citizenship
- Grand Duchy of Lithuania
- Born
- 1450
- Died
- July 16, 1509, 1509
