Heinrich Prinz von Hannover (born 29 April 1961) is a German publisher.

Heinrich is the youngest child of Ernest Augustus, Hereditary Prince of Brunswick, and his first wife Princess Ortrud of Schleswig-Holstein-Sonderburg-Glücksburg.

Heinrich founded, owns and manages the publishing company MatrixMedia Verlag in Göttingen.

[3] Heinrich was in a relationship with cabaret artist Désirée Nick for 17 years.

[4][5] In 1999 he married Thyra Sixtina Donata von Westernhagen, with whom he has three children.