Cousin Cousine is a 1975 French romantic comedy film directed by Jean-Charles Tacchella and starring Marie-Christine Barrault, Victor Lanoux, Marie-France Pisier, Guy Marchand and Ginette Garcin. Written by Tacchella and Danièle Thompson, the film is about two cousins by marriage who meet at a wedding and develop a close friendship. After their spouses prove unfaithful, the cousins' friendship leads to a passionate love affair.