Ioannes Nepomucenus
- categoriae: vir , martyr , canonicus , presbyter
- diem natalis: post 1340, ante 1346
- diem mortis: 20.03.1393
- beatificationis: 31.05.1721 (ceremonially)
- canonizationis: 19.03.1729 (ceremonially)
- other Roman Martyrology days: 20.03., 16.05.
- other memorial days: non-existence
- ordo: non-existence
- conditor ordo: non-existence
- nomina: Ioannes
- cognomina: non-existence
- epitheta: Nepomucenus