Prince Stanislaw Albrecht "Stash" Radziwill (21 July 1914 – 27 July 1976) was a Polish nobleman and a scion of the Polish-Lithuanian princely House of Radziwill.
His parents were Janusz Franciszek, Prince Radziwill (1880–1967) and Princess Anna Lubomirska (1882–1947).
Stanislaw had two elder brothers, Edmund Radziwill (1906–1971) and Ludwik Radziwill (1911–1928).
Through his father, Stanislaw Albrecht was second cousin twice removed of Sophie, Duchess of Hohenberg, wife of the heir to the Austro-Hungarian throne Archduke Franz Ferdinand of Austria.