Marie-Aude Murail (born 6 May 1954) is a French writer. She is best known for her numerous children and teen novels that go over a wide range of subjects including blended families, self-identification, mental health and serious illnesses. Her books span first-grade reading to young adult fiction, and include slice of life drama and comedy, detective novels and thrillers, fantasy and historical novels.

Her father, Gerard Murail, is a poet and her mother, Marie-Thérèse Barrois, a journalist. One of her brothers and her younger sister also write: Lorris Murail and Elvire Murail, aka Moka. Her other older brother, Tristan Murail is a music composer.

In 1973, she married Pierre Robert, an INSEE bureaucrat, with whom she has three children, Benjamin (1977), Charles (1987) and Constance (1994).