| St. Michael's Cathedral | |
|---|---|
 | |
  St. Michael's Cathedral Location in Romania | |
| 46°04′03″N 23°34′12″E / 46.0676°N 23.5700°E | |
| Location | Alba Iulia |
| Country |  Romania |
| Denomination | Roman Catholic |
| History | |
| Status | Active |
| Founded | 13th century |
| Founder(s) | Stephen I of Hungary |
| Architecture | |
| Functional status | Cathedral |
| Architectural type | Church |
| Style | Romanesque and Gothic |
| Administration | |
| Archdiocese | Roman Catholic Archdiocese of Alba Iulia |
| Clergy | |
| Archbishop | Gergely Kovács |
St. Michael's Cathedral (Romanian: Catedrala Sfântul Mihail, Hungarian: Gyulafehérvári Szent Mihály érseki székesegyház) is the cathedral of the Roman Catholic Archdiocese of Alba Iulia, Romania, and is the oldest and longest cathedral in the country.