Mariefred Charterhouse, sometimes referred to as Gripsholm Charterhouse (Swedish: Mariefreds kloster, Latin: Monasterium Pacis Mariae or Pax Mariae), was a Carthusian monastery, or charterhouse, in the present town of Mariefred in Södermanland, Sweden, to which it gave its name; before the building of the monastery the place was known as Gripsholm.