Gregory of Nyssa
- categories: male , bishop
- date of birth: around 335
- date of death: before 400
- beatification: non-existence
- canonization: non-existence
- other Roman Martyrology days: 10.01., 09.03.
- other memorial days: non-existence
- order: non-existence
- order founder: non-existence
- forenames: Gregory
- surnames: non-existence
- epithets: non-existence