Archduke Géza of Austria (given names: Géza Ladislaus Euseb Gerhard Rafael Albert Maria; born 14 November 1939, in Budapest), in Austria and Hungary only known by law as Géza Habsburg-Lothringen, is the son of Archduke Joseph Francis of Austria (1895–1957) and his wife Princess Anna of Saxony (1903–1976); thus, he is a grandson of King Frederick Augustus III of Saxony and great-great-grandson (on his father's mother's side) of Emperor Franz Joseph I of Austria and his wife Elisabeth of Bavaria (Sissi).
Géza is a Fabergé expert and has published many books and articles on the jewellers Peter Carl Fabergé and Victor Mayer.
He is the curator of several major international Fabergé exhibitions.