Madeleine Dellamonica (; born 23 July 1912, 9th arrondissement of Paris) is a French supercentenarian, whose age has been confirmed by the Gerontology Research Group and LongeviQuest. On 10 February 2026, following the death of Marie-Rose Tessier, she became the oldest living person in France.. She is the third oldest living person in Europe and the eleventh oldest living person in the world. Her age is .
Madeleine Fortin was born on 23 July 1912 in Paris, France, to Jean Fortin and Marie Molinette. She attended the Jeanne secondary school in Le Vézinnes, and then studied Egyptology at the Ecole du Louvre.
On 25 April 1933, she married Rodolphe Delamonique; they lived together for 58 years until his death in January 1992.
She celebrated her 100th birthday in 2012 with two school friends: Lucie Desmoulins and Jeanne Papis. She currently resides in Le Vésinet, France, at the age of .