Die Liebesbriefe einer portugiesischen Nonne
- annos singulos: 1977
- Patriam: Germany, Switzerland
- genus: Horror
- Studio: Ascot Film, Elite Film, Cinemec Zweite Produktions KG
- keyword: nun, inquisition, satanism, letter, convent (nunnery), erotic movie, nunsploitation
- Director: Jesús Franco
- cast: Susan Hemingway, Ana Zanatti, William Berger, Herbert Fux, Vítor Mendes, Anton Diffring