Louise Rosalie Allan-Despreaux (1810 – March 1856) was a noted French actress.
She was "discovered " by François Joseph Talma at Brussels in 1820, when she played Joas with him in Athalie.
At his suggestion she changed her surname, Ross, for her mother's maiden name, and, as Mlle.
Her six years at this theatre, during which she married Allan, an actor in the company, were a succession of triumphs.
She was then engaged at the French theatre at St.
Petersburg, a scene praised by the Russian aristocraty and the Imperial family.Returning to Paris, she brought with her, as Legouve says, a thing she had unearthed, a little comedy never acted until she took it up, a production half-forgotten, and esteemed by those who knew it as a pleasing piece of work in the Marivaux style: Un Caprice by Alfred de Musset, which she had played with success in French in St.
In the last, with a part of only fifty lines, and playing by the very side of the great Rachel, she yet held her own as an actress of the first rank.Mlle Allan-Despreaux died in Paris, in the height of her popularity, in March 1856.