| Cathedral of St. John the Baptist | |
| Native Name: | Καθεδρικός ναός του Αγίου Ιωάννη του Βαπτιστή |
| Location: | Fira, Santorini |
| Country: |  Greece |
| Denomination: | Catholic Church |
| Sui Iuris Church: | Latin Church |
| Diocese: | Diocese of Santorini |
The Cathedral of St. John the Baptist[1] (Greek, Modern (1453-);: Καθεδρικός ναός του Αγίου Ιωάννη του Βαπτιστή) is a parish of the Catholic Church in Fira, on the island of Santorini in Greece.[2] [3] It serves as the cathedral of the Diocese of Santorini.
The cathedral is located in the city center, in the Catholic neighborhood. The current church, a baroque structure of blue-gray and cream, was built in 1823. It was completely restored and rebuilt in 1970, after the earthquake of 1956.