An Oratorian is a member of one of the following religious orders: *

Oratory of Saint Philip Neri The Confederation of Oratories of Saint Philip Neri ( la, Confoederatio Oratorii Sancti Philippi Nerii) abbreviated CO and commonly known as the Oratorians is a Catholic society of apostolic life of Pontifical Right for men (priests and lay- ...

(Roman Catholic), who use the postnominal letters C.O. *

Oratory of Jesus The Congregation of the Oratory of Jesus and Mary Immaculate (french: Société de l'Oratoire de Jésus et de Marie Immaculée, la, Congregatio Oratorii Iesu et Mariæ), best known as the French Oratory, is a society of apostolic life of Catho ...

(Roman Catholic) *

Oratory of the Good Shepherd The Oratory of the Good Shepherd (OGS) is a dispersed international religious community, within the Anglican Communion. Members of the oratory are bound together by a common rule and discipline, which requires consecrated celibacy, and are strength ...

(Anglican) *

Teologisk Oratorium Theologisk Oratorium (''Theological Oratory'') is a Lutheran, moderately High Church Lutheran, high church, religious Brotherhood for men in the Church of Denmark. It was founded in 1927. Dissolved in 2016. Foundation Thomas Lønborg-Jensen had bee ...

(Lutheran)

See also