Marie Isabelle "Maria Isabel" Diaz (née Rodriguez) (22 February 1898 - 29 October 2011) was a verified Algerian-French supercentenarian. She was born on 22 February 1898, in Sidi Bel Abbès, capital of the Sidi Bel Abbès wilaya, Algeria, then an overseas territory of France, located on the northern Africa continent. She died in Le Port, Réunion, a French island located in the Indian Ocean, on 29 October 2011, at the age of 113 years 249 days. She is, behind Anne Primout and Marcelle Narbonne, the third-oldest Algerian person ever.