St. John the Baptist Cathedral, Santorini

The Cathedral of St. John the Baptist (Καθεδρικός ναός του Αγίου Ιωάννη του Βαπτιστή) is a parish of the Catholic Church in Fira, on the island of Santorini in Greece. 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.