| St. Olav's Cathedral | |
|---|---|
| Sankt Olav domkirke | |
 | |
 | |
| 59°55′5.3616″N 10°44′38.886″E / 59.918156000°N 10.74413500°E | |
| Location | Oslo |
| Country | Norway |
| Denomination | Roman Catholic |
| Website | Website |
| History | |
| Status | Cathedral |
| Founded | 1896 |
| Dedication | Saint Olav |
| Architecture | |
| Functional status | Active |
| Architect(s) | Heinrich Ernst Schirmer and Wilhelm von Hanno |
| Architectural type | Neo-Gothic |
| Administration | |
| Diocese | Oslo |
| Parish | St. Olav |
| Clergy | |
| Bishop(s) | Bernt Ivar Eidsvig |
St. Olav's Cathedral (Norwegian: Sankt Olav domkirke) is the cathedral of the Roman Catholic Diocese of Oslo and the parish church of St. Olav's parish in Oslo, Norway. The cathedral has church services and masses in Norwegian and several other languages, including English and Polish.