Saint Mark's Cathedral may refer to several cathedrals named for Saint Mark (Mark the Evangelist):
Australia St Mark's Cathedral, Port Pirie, South Australia
Croatia Korčula Cathedral
Egypt Saint Mark's Coptic Orthodox Cathedral (Alexandria) Saint Mark's Coptic Orthodox Cathedral, Abbassia, Cairo Saint Mark's Coptic Orthodox Cathedral, Azbakeya, Cairo
India St. Mark's Cathedral, Bangalore
Italy St Mark's Basilica in Venice San Marco Evangelista al Campidoglio, Rome San Marco, Florence
Mexico St. Mark's Cathedral, Tuxtla Gutiérrez
South Africa St Mark's Cathedral, George, Western Cape
Uganda St Mark's Cathedral, Luweero
United States St. Mark's Cathedral (Shreveport, Louisiana) (Episcopal) St. Mark's Episcopal Cathedral (Minneapolis), Minnesota St. Mark's Pro-Cathedral (Hastings, Nebraska) (Episcopal) St. Mark's Cathedral (Salt Lake City), Utah (Episcopal) St. Mark's Episcopal Cathedral, Seattle, Washington
See also St. Mark's Church (disambiguation) St. Mark's (disambiguation) Saint Mark's Coptic Orthodox Church (disambiguation) St. Mark's Episcopal Church (disambiguation) St. Mark's Episcopal Cathedral (disambiguation)