Middle Ages · 103th pope in the Annuario Pontificio list
Leo IV
- Pontificate
- 31/01/0847 – 17/07/0855
- Born – died
- 790 – 855
- Predecessor
- Sergius II
- Successor
- Benedict III
A short profile for this pope is in preparation.
List: Wikidata (CC0), ordinals per the Annuario Pontificio, retrieved 2026-10-01. Antipopes are not included. For the current pope, see vatican.va.