Tomislav Vlašić (born 16 January 1942) is the leader of the Church of Jesus Christ of the Whole Universe seated in Italy. He is best known for being a former spiritual director of the alleged seers of the Marian apparitions in Medjugorje. He also claims to receive the messages from God the Father, the Holy Spirit, the Madonna, the Apostles and the archangels. In 2018, with a group of followers, Vlašić established the Church of Jesus Christ of the Whole Universe, led by himself and his associate Stefania Caterina in Gheda near Brescia in Italy.