This article is about the 17th-century Polish–Lithuanian Commonwealth prince. For the 18th-century prince with a similar name, see Michał Kazimierz "Rybeńko" Radziwiłł.
with Katarzyna Sobieska: Boguslaw Krzysztof Radziwiłł Tekla Adelaida Radziwiłł Jan Radziwiłł Ludwik Radziwiłł Mikolaj Franciszek Radziwiłł Jerzy Józef Radziwiłł Karol Stanisław Radziwiłł
Prince Michał Kazimierz Radziwiłł (Lithuanian: Mykolas Kazimieras Radvila; 26 October 1625[1] or 26 October 1635[2] – 14 November 1680[3]) was a Polish–Lithuaniannoble and magnate. He is sometimes referred to as the first Michał Kazimierz Radziwiłł, to distinguish him from the other member of his family to use the name.