Well, Quentin Tarantino doesn't have a so - called 'wife' within the 'Pulp Fiction' universe. The movie is filled with great characters like Mia Wallace played by Uma Thurman, but none of them are his wife. He just created and directed this amazing movie that has a lot of interesting relationships, but not one of his own marital kind within the movie.
Quentin Tarantino has not been married to any of the actresses specifically within 'Pulp Fiction'.
In 'Pulp Fiction', there is no indication that any of the female characters were married to Quentin Tarantino in real life. He was the director of the movie, not an actor with a wife within the context of that film.