| St Mary's Cathedral | |
|---|---|
| Cathedral Church of St Mary of the Assumption, Aberdeen | |
 Cathedral from junction of Huntly and Union Streets | |
  St Mary's Cathedral Shown within Aberdeen | |
| 57°08′43″N 2°06′23″W / 57.1454°N 2.1064°W | |
| Location | Aberdeen, Aberdeenshire |
| Country | Scotland |
| Denomination | Roman Catholic |
| Website | stmaryscathedralaberdeen.org |
| Architecture | |
| Architect(s) | Alexander Ellis |
| Years built | 1860 |
| Administration | |
| Province | St Andrews and Edinburgh |
| Diocese | Aberdeen (since 1878) |
| Clergy | |
| Bishop(s) | Rt Rev Hugh Gilbert |
| Dean | Fr Keith Herrera |
| Laity | |
| Director of music | Dr. Shelagh Noden |
| Organist(s) | Ronald Leith |
The Cathedral Church of St Mary of the Assumption, usually known as St Mary's Cathedral, is a cathedral of the Roman Catholic Church in the city of Aberdeen, Scotland. It is the home of the see of the Bishop of Aberdeen, who is the ordinary of the Roman Catholic Diocese of Aberdeen in the Province of St Andrews & Edinburgh. It stands at 20 Huntly Street in Aberdeen.