István Konkoly (1930) is a Hungarian Roman Catholic priest and former bishop of Szombathely. He studied at a high school in Szombathely, and then he studied theology at the Pázmány Péter Theological Academy in Budapest. He became a priest in 1954 in Szombathely. Konkoly was a chaplain in Gyöngyösfalu, Rábagyarmat, and Jánosháza between 1955 and 1962. He completed his doctor of theology in 1960. In 1962–1963, he served as vice-pastor in Szőce. Between 1963 and 1972, he was secretary to the bishop of Szombathely. He became an agent of the political police in 1959 under the codename “Mátrai,” but most of his reports were of no use to the Ministry of the Interior. He became so passive in the 1970s that he was expelled from the network in 1977. In 1963, he was made secretary of the National Liturgic Committee and in 1987 he became the president of the organization. Between 1972 and 1987, he was the pastor in Gencsapáti. In 1986, the state security established a connection with him again, because in the following year he became the bishop of Szombathely. He led the Diocese of Szombathely until 2006.