St. Mark's Church, or variations such as St. Mark Church or with Saint spelled out, may mean:
Australia St Mark's Anglican Church, Fitzroy, Victoria St Mark's Anglican Church, Rockhampton, Queensland St Mark's Anglican Church, Warwick, Queensland St Marks Anglican Church, Yungaburra, Queensland St Mark's Church, Darling Point, New South Wales Old St Mark's Anglican Church, Slacks Creek, a heritage-listed church in Queensland
Canada St. Mark's Church (Niagara-on-the-Lake), an Anglican church in Niagara-on-the-Lake, Ontario St. Mark's Anglican Church (Port Hope, Ontario)
Croatia St. Mark's Church, Zagreb
Denmark St. Mark's Church, Aarhus St. Mark's Church, Copenhagen
France St. Mark's Church, Versailles
India St. Mark's Church, Chennai
Ireland St. Mark's Church, Dublin
Italy St Mark's English Church, Florence
Malta St Mark's Church, Rabat
Norway St. Mark's Church, Bergen St. Mark's Church, Oslo
Serbia St. Mark's Church, Belgrade St. Mark's Church, Užice
Slovenia St. Mark's Church, Vrba
Sri Lanka St. Mark's Church, Badulla
Ukraine St. Mark's Church, Variazh
United Kingdom England London St Mark's Church, Kennington St Mark's Church, Myddelton Square, Clerkenwell St Mark's Regents Park St Mark's Church, Silvertown (Victoria Docks), now deconsecrated St Mark's Church, Surbiton St Mark's Church, Hamilton Terrace, St John's Wood
Elsewhere in England St Mark's Church, Ampfield, Hampshire St Mark's Church, Antrobus, Cheshire St Mark's Church, Basford, Staffordshire St Mark's Church, Blackburn, Lancashire St Mark's Church, Brighton, East Sussex St Mark's Church, Bristol, a Grade I listed building St Mark's Church, Bournemouth, a Grade II listed building Church of St Mark, Broomhill, Sheffield St Mark's Church, Dolphinholme, Lancashire St Mark's Church, Gillingham, Kent, designed by James Piers St Aubyn St Mark's Church, Hadlow Down, East Sussex St Mark's Church, Horsham, West Sussex St Mark's Church, Leamington Spa, Warwickshire St Mark's Church, Mansfield, Nottinghamshire St Mark's Church, Natland, Cumbria St Mark's Church, Nether Kellet, Lancashire St Mark's Church, Preston, Lancashire St Mark's Church, Royal Tunbridge Wells, Kent St Mark's Church, Saltney, Cheshire St Mark's Church, Scarisbrick, Lancashire St Mark's Church, Shelton, Staffordshire St Mark's Church, Swindon, Wiltshire St. Mark's Church, Woolston, Southampton St Mark's Church, Wootton, Isle of Wight
Isle of Man St Mark's Church, St Mark's, Malew, Isle of Man, one of Isle of Man's Registered Buildings
Northern Ireland St Mark's Church, Dundela, Belfast
Wales St Mark's Church, Brithdir, Gwynedd, a grade I listed building St Mark's Church, Connah's Quay, Flintshire St Mark's Church, Newport
United States Colorado St. Mark's Church (Denver, Colorado), a Denver Landmark
Connecticut St. Mark Church (Stratford, Connecticut)
Delaware St. Mark's Church, Millsboro, Sussex County, Delaware
Georgia St. Mark's Anglican Church (Moultrie, Georgia)
New Jersey St. Mark Coptic Orthodox Church (Jersey City, New Jersey), also known as Saint Mark Church
New York St. Mark's Church (Clark Mills, New York), NRHP-listed German Evangelical Lutheran Church of St. Mark, New York City St. Mark the Evangelist Church (New York City) St. Mark's Church in-the-Bowery, New York City St. Mark's Church (Port Leyden, New York), NRHP-listed
Ohio Saint Mark's Lutheran School and Church (Milford, Ohio), LCMS establishment
South Carolina St. Mark's Episcopal Church (Pinewood, South Carolina), NRHP-listed
Washington D.C. St. Mark's Episcopal Church (Washington, D.C.), NRHP-listed
See also St. Mark's (disambiguation) Saint Mark's Cathedral (disambiguation) Saint Mark's Coptic Orthodox Church (disambiguation) St. Mark's Episcopal Church (disambiguation) St. Mark's Episcopal Cathedral (disambiguation) St. Mark's Lutheran Church (disambiguation) St Mark's Basilica Crkva Svetog Marka (disambiguation)