In French, Valentine's day is referred to as “La Saint Valentin”. So to answer your question, happy valentine's day would be said in French like one of the following: “Heureuse saint Valentin” “Bonne fête de saint Valentin” “Bonne saint Valentin”. Edit: "Joyeuse saint Valentin". read more
Happy Valentine 's Day to Canada. Joyeuse Saint-Valentin à tous les Canadiens. Happy Valentine 's Day Massacre, Booth. Joyeux Massacre de la St Valentin, Booth. Happy Valentine 's Day from two years ago. Joyeuse Saint-Valentin, avec deux ans de retard. Happy Valentine 's Day to us all. Bonne Saint Valentin à nous tous. Happy Valentine 's Day, sweetie. read more