St. John the Baptist Cathedral (Trnava)
| Cathedral of St John the Baptist | |
|---|---|
| The Metropolitan Cathedral of St John the Baptist  | |
Katedrála svätého Jána Krstiteľa  | |
| 48°22′50″N 17°35′18″E / 48.3806°N 17.5883°E | |
| Location | Trnava | 
| Country | Slovakia | 
| Denomination | Roman Catholic | 
| History | |
| Status | Active | 
| Dedication | St John the Baptist | 
| Consecrated | 1637 | 
| Architecture | |
| Functional status | Cathedral | 
| Administration | |
| Archdiocese | Trnava | 
| Clergy | |
| Archbishop | Ján Orosch | 
St. John the Baptist Cathedral (Slovak: Katedrála svätého Jána Krstiteľa, Hungarian: Keresztelő Szent János székesegyház) is one of the most significant historic monuments of Trnava, western Slovakia.