Elvire Murail (born 7 June 1958, in Le Havre) is a French writer, mainly author of books for youth under the pen name Moka.
She enjoyed success with her first book, Escalier C, which was brought to the cinema by Jean-Charles Tacchella in 1984.
She signed with this pseudonym more than seventy novels for the youth, published mainly at École des Loisirs [fr] in the "Mouche", "Nine" and "Medium" series.
Since 1996, she has been committed to defending a quality youth literature within the "Charte des Auteurs et Illustrateurs pour la Jeunesse" of which she was treasurer from 1999 to 2007.
She received twice a scholarship from the National Center for Letters for Un phare dans le ciel and for the whole of her work for youth.