Chit of a Girl (French: La Marie du port) is a 1938 novel by the Belgian writer Georges Simenon.

It was translated into English as Chit of a Girl by Geoffrey Sainsbury and published by Routledge and Kegan Paul, London, in 1949.

Amongst them is his eldest daughter Odile who became estranged with her family after taking up with her lover Chatelard who owns a restaurant and cinema in Cherbourg.

Just as Odile has abandoned her dreams of going to Paris to open a shop, Marie is intrigued by the kind of escape he seems to offer if she becomes his lover.

In 1950 it was adapted into a French film La Marie du port directed by Marcel Carné and starring Jean Gabin, Blanchette Brunoy and Nicole Courcel.