Prince Józef Mikołaj Radziwiłł was a Polish–Lithuanian noble (szlachcic).
- Position held
- Voivode of Minsk, kasztelan trocki, Voivode of Trakai, Deputy to the Sejm of the Polish–Lithuanian Commonwealth
- Citizenship
- Polish–Lithuanian Commonwealth
- Born
- November 13, 1736
- Died
- February 15, 1813, 1813, February 15, 1814