The Church of St. Peter and St. Paul is a Catholic church in Ukmergė, Lithuania. The construction of the church was funded by donations of the parishioners and lasted for twenty years (1800–1820) on the site of an earlier parish church. The church was rebuilt in the years 1894–1896 and 1931–1939 by Wacław Michniewicz. It is a three-aisled, towerless structure built of fieldstone.