Saint Matthias (disambiguation)

Saint Matthias was an Apostle.

Saint Matthias may also refer to:
 * St Matthias Islands, Papua New Guinea
 * St Matthias languages, a pair of Oceanic languages spoken in the St. Matthias Islands, Mussau-Emira and Tenis
 * St. Mathias Township, Minnesota
 * St Matthias, Bristol a former campus of the University of the West of England, Bristol
 * St Matthias School, a secondary school in Wolverhampton, England
 * St. Matthias High School, a girls' private Roman Catholic high school in Downey, California
 * St Matthias Press and Tapes or Matthias Media, a Christian publisher in Sydney, Australia
 * St. Matthias Press UK or The Good Book Company, a Christian publisher in Surrey, England