Patriarch Varnava Rosić (Serbian Cyrillic: Варнава Росић) was born in Pljevlja, Ottoman Empire (now Montenegro), on August 29, 1880. He was the Head of Serbian Orthodox Church between 1930 and 1937. His birth name was Petar Rosić. Many people believed that Patriarch Varnava was poisoned because of his struggle against Concordat, and his death is still unresolved.