| St Mary's Cathedral | |
|---|---|
| Cathedral of St Mary the Virgin | |
 | |
| 26°11′58″S 28°2′40″E / 26.19944°S 28.04444°E | |
| Location | Johannesburg |
| Country | South Africa |
| Denomination | Anglican |
| Churchmanship | Anglo-Catholic |
| History | |
| Founded | 1887 |
| Dedication | St Mary the Virgin |
| Consecrated | 29 September 1929 |
| Architecture | |
| Architect(s) | Sir Herbert Baker and Frank Fleming |
| Style | Romanesque-Italian |
| Specifications | |
| Capacity | over 2000 |
| Height | Five storeys high |
| Materials | concrete and stone |
| Administration | |
| Province | Southern Africa |
| Diocese | Johannesburg |
| Archdeaconry | Archdeaconry 10 |
| Parish | Johannesburg |
| Clergy | |
| Bishop(s) | Stephen Moreo |
| Dean | Stephen Moreo (Acting) |
| Laity | |
| Organist(s) | Sidney Place |
Saint Mary's Cathedral, officially the Cathedral Church of Saint Mary the Virgin, is the cathedral of the Anglican Diocese of Johannesburg, South Africa. In late 2015 Xolani Dlwati was appointed as the dean until 27th of November 2022.