Karl Friedrich Emich Meinrad Benedikt Fidelis Maria Michael Gerold Prinz von Hohenzollern (born 20 April 1952) is the eldest son of the late Friedrich Wilhelm, Prince of Hohenzollern and Princess Margarita of Leiningen.

He is the chairman and sole owner of Unternehmensgruppe Fürst von Hohenzollern (Corporate Group Prince of Hohenzollern),[1] including real estate and forests with 400 employees, and owns a 50% share in the Zollern GmbH und Co. KG (steelworks, transmission technics) with 2800 employees.

[5][6] According to the suspended 1938 Constitution of Romania, Karl Friedrich is heir to the throne since 2017, upon the death of former King Michael.

[7] Karl Friedrich married Alexandra Gräfin Schenk von Stauffenberg on 17 May 1985 in the Beuron Archabbey, Baden-Württemberg.

[1] On 17 July 2010, Karl Friedrich married for the second time, to Katharina Maria "Nina" de Zomer (born 1959).