Léonor Jean Soulas d'Allainval, called abbé d'Allainval (né Léonor-Jean-Christin Soulas; born 2 October 1696, Chartres – died 2 May 1753, Hôtel-Dieu de Paris), was an 18th-century French playwright.

D'Allainval lived his life in misery and died an indigent, according to Jean Baudrais.

[1] None of his plays were successful, except for a very short time his first comedy, L'Embarras des richesses, played four times in Paris during his lifetime and later considered a comedy "well conducted and well untied" and "one of his best works".

[2] Only L'École des bourgeois brought him posthumous fame.

In 1854, it inspired Émile Augier and Jules Sandeau a new comedy which was like a sequel.