Mathé Altéry (born Marie-Thérèse Altare, 12 September 1927), is a French soprano singer prominent in the 1950s and 1960s for singing operettas and French songs. Mathé Altéry is the daughter of French tenor Mario Altéry.
Altéry was born in Paris. She began her singing career in Cherbourg-Octeville, Manche, Basse-Normandie, where her father was working at the time. After studying classical music, Altéry began as a chorister at the Théâtre du Châtelet in Paris, in the operetta Annie du Far-West (Annie of the Wild West). In 1956, Altéry represented France in the first Eurovision Song Contest, with the song "Le temps perdu" (Lost Time). During the first contest only the winning song was announced, and so the rank of her song in unknown.