Ignaz Feigerle (7 April 1795 in Biskupstwo, Mähren – 27 September 1863 in Ochsenburg) was a Catholic theologian and bishop of the Diocese of Sankt Pōlten.
Feigerle studied at Frintaneum in Vienna. In 1825 he became Professor for Pastoral theology at the Palacký University of Olomouc. In 1829 he moved to the University of Vienna, where he became Rector in 1846. In 1851 he became Bishop of St. Pölten. In 1858 he founded Hippolytus, a scholarly journal, which was edited by Matthäus Binder and Anton Kerschbaumer.