Adelaide of Austria (Adelheid Franziska Marie Rainera Elisabeth Clotilde; 3 June 1822 – 20 January 1855) was the first wife of Victor Emmanuel II of Sardinia, future King of Italy. She was the mother of eight children including the future Umberto I of Italy. She was the Queen of Sardinia from 1849 until 1855 when she died as a result of childbirth. The present Italian pretender is her direct great great grandson.