The Cathedral of the Madeleine is a Roman Catholic church in Salt Lake City, Utah, United States. It was completed in 1909 and currently serves as the cathedral, or mother church, of the Diocese of Salt Lake City. It is the only cathedral in the US under the patronage of St. Mary Magdalene.
The cathedral was built under the direction of Lawrence Scanlan, the first bishop of Salt Lake. It was designed by architects Carl M. Neuhausen and Bernard O. Mecklenburg. The outside is predominantly a Neo-Romanesque design, while the inside tends more toward the Neo-Gothic. Construction began in 1900 and was completed in 1909. It was dedicated by Cardinal James Gibbons, Archbishop of Baltimore.