Dohnányi is a Hungarian family name belonging to a notable family of politicians and musicians descended from composer Ernő Dohnányi. The addition of "von" is the German equivalent to the letter Y / YI at the end of a family name of the Hungarian gentry. Its meaning is "of" = German "von".
Frederick Dohnányi (Hungarian: Dohnányi Frigyes), (1843–1909), Hungarian professor of mathematics and amateur cellist
Ernő Dohnányi, also known as Ernst von Dohnányi (1877–1960), Hungarian pianist, conductor and composer
Hans von Dohnányi (1902–1945), son of Ernő; German jurist and resistance fighter against the Third Reich
Klaus von Dohnányi (born 1928), son of Hans; German politician, mayor of Hamburg
Christoph von Dohnányi (born 1929), son of Hans; renowned conductor
Justus von Dohnányi (born 1960), son of Christoph; German actor
Oliver von Dohnányi (born 1955), Slovak conductor, descended from a brother of an eighteenth-century ancestor of Ernő
