Antoni Radziwiłł
 Prince Antoni Henryk Radziwiłł (13 June 1775 – 7 April 1833) was a Polish-Lithuanian and Prussian noble aristocrat musician and politician. Initially a hereditary Duke of Nieśwież (modern Nesvizh Belarus) and Ołyka (modern Olyka Ukraine) as a scion of the Radziwiłł family he also held the honorific title of a Reichsfürst of the Holy Roman Empire.