Ferdinand Herbord Ivar, Prince of Bismarck (German: Ferdinand Herbord Ivar Fürst von Bismarck; 22 November 1930 – 23 July 2019) was a German landowner and lawyer and the Prince of Bismarck from 1975 to 2019, when he was succeeded by his oldest son Carl von Bismarck in accordance with letters patent of 1871.
He was a godfather of King Willem-Alexander of the Netherlands.