Synonyms for St. john:

n.

St. John (noun)
John the divine, John the evangelist, saint John, saint John the apostle, John, St. John the Apostle.

Other synonyms:

John the Divine
John the divine.
John the Evangelist
John the evangelist.
Saint John
saint John.
Saint John the Apostle
saint John the apostle.
john
John.
Other relevant words:
St. John the Apostle.