Prince Karol Stanislaw Radziwill (Lithuanian: Karolis Stanislovas Radvila) (1669–1719) was a Polish-Lithuanian nobleman and diplomat.
Ordynat of Nieswiez, Stolnik of Lithuania in 1685, Equerry of Lithuania in 1686, Deputy Chancellor of Lithuania in 1690, Grand Chancellor of Lithuania in 1698, Bailiff of Vilnius.
He married Anna Katarzyna Sanguszko on March 6, 1691 in Vilnius.