Elder Ephraim of Vatopedi (born 1956 as Vasilios Koutsou) is a Greek Cypriot Orthodox Christian hieromonk and archimandrite.

Elder Ephraim had shown his religiosity from a young age, serving in his village church, attending Byzantine music classes and expressing his intention to become a priest.

After completing his secondary education at the Gymnasium of Lefkoniko, he entered the Apostle Barnabas Seminary in Nicosia to attend classes with the ultimate goal of becoming a priest.

[2] He then returned to his home country of Cyprus and taught as a professor at the Apostolos Barnabas Seminary in Nicosia.

After returning to Cyprus, he practiced for some time at the Holy Monastery of Timios Stavros Minthis in Paphos.

Subsequently, in April 1990, on the Sunday of the Myrrh-bearers, Hieromonk Ephraim was promoted to Archimandrite and ordained as Abbot of the Holy Monastery of Vatopedi.

On 28 December 2011, following his detention at the General Police Directorate of Attica, Abbot Ephraim was remanded to Korydallos Prison as a defendant in the Vatopedi Monastery case,.

Ephraim, as well as those accused with him in the Vatopedi Monastery case, were finally acquitted by the Supreme Court of Greece on 21 March 2017.