The Jeondong Cathedral (Korean: 전동성당) also known as the Old Cathedral of Jeondong and now as the Jeondong Church of Francis Xavier is an important Catholic church in Jeonju, South Korea.It is a temple of Roman-Byzantine, was built between 1908 and 1914 by Victor Louis Poisnel (1855-1925), in the territory and under the supervision of François-Xavier Baudounet (1859-1915), a French priest, born in Mostuéjouls in Aveyron, in the same place where many Christians were martyred.