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Hierarchy of the Catholic Church
Saint Peter
Ecclesiastical titles (order of precedence)
Pope Pope Emeritus Cardinal Cardinal Vicar Crown Prince Protector Moderator of the curia Chaplain of His Holiness Papal legate Papal majordomo Apostolic nuncio Apostolic delegate Apostolic Syndic Apostolic visitor Vicar apostolic Apostolic exarch Apostolic prefect Assistant to the papal throne Eparch Metropolitan Patriarch Catholicos Bishop Archbishop Bishop emeritus Diocesan bishop Major archbishop Primate Suffragan bishop Titular bishop Coadjutor bishop Auxiliary bishop Prelate Provost Pontiff Territorial prelate Territorial abbot
Liturgical titles Acolyte Consecrator Lector Subdeacon
Administrative and pastoral titles Auditor Brother Chancellor Chaplain Military chaplain Military ordinary Coarb Confessor Consultor Curate Deacon Archdeacon Defender of the bond Definitor Devil's advocate Diocesan administrator Ecclesiastical judge Exorcist Laity Lay abbot Abthain Commendatory Lay cardinal Minister Major orders Minor orders Missionary Monsignor Officialis Ostiarius Pastor Assistant pastor Palatinus Personal prelate Preacher Prefect Presbyter Elder Priest Principal Protonotary apostolic Reverend Saint Servant of God Blessed Venerable Seminarian Vicar Judicial vicar Vicar general Vicar forane Sub-dean
Consecrated and professed titles Abbess Abbot Consecrated virgin Corrector Custos Friar Dean Grand master Hermit Master of novices Monk Novice Nun Postulant Oblate Prior Provincial superior Rector Religious Superior general
Additional titles Almoner Altar server Archimandrite Archpriest Archdeacon Canon Captain General of the Church Chorbishop Coarb Commissary Apostolic Custos Datarius Gonfalonier of the Church Honorary Prelate Minor canon Notarius Ostiarius Peritus Postulator Prebendary Precentor Prince-bishop Prince-abbot Prince-primate Prince-provost Promotor Fidei Protopriest Protodeacon Protosyncellus Regionarius Sacristan Sidewalk Counselor Usher
Organization titles Grand master Knights Hospitaller Order of the Holy Sepulchre Teutonic Knights Inquisitor Grand Inquisitor Preceptor
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A Prelate of Honour of His Holiness is a Catholic prelate to whom the Pope has granted this title of honour.

They are addressed as Monsignor and have certain privileges as regards clerical clothing.^[1][2]

Before the motu proprio Pontificalis Domus of 28 March 1968, Honorary Prelates (HP) were called Domestic Prelates (Latin: Antistites Urbani). Those who held certain offices were also granted the title, such as an Archbishop or Bishop Assistant at the Pontifical Throne or a member of the Roman Prelature. The title was retained by archbishops, bishops and protonotaries apostolic who had been awarded it before their appointment to those positions.^[3]

The Prelates of Honor are entitled Reverend Monsignor. Historically associated with the chamberlain of the papal court, it is the second rank of monsignor: above Chaplain to His Holiness, but below Protonotary Apostolic.^[4]

Prelates of Honor durante munere:

• Canons of the cathedrals of Pisa, Siena and Vercelli
• Canons of the Metropolitan Chapters of Genoa, Taranto, and Bologna
• Dignity of the Metropolitan Chapter of Catania
• Senior of the Canons of San Lorenzo in Damaso in Rome
• Conventual Chaplains ad honorem of the Sovereign Military Order of Malta
• Chaplains of the Royal Chapel of the Treasure of San Gennaro in Naples
• Judges of the Tribunal of the Rota [de] of the Apostolic Nunciature to Spain
• Superior and Dean of the Collegiate Church [pl] of Prabuty (Poland)
• Provost of Canzo (Archdiocese of Milan), 5 years after taking office
• Provost of Asso (Archdiocese of Milan)
• parish priests of the Diocese of Rome
• Provost pro tempore of Clusone (Bergamo)
• Members of the Colleges of the Tribunal of the Apostolic Penitentiary, retaining their proper habit, or the Minor Apostolic Penitentiaries
• pro tempore parish priest of Caravaggio (Bergamo).

• 
  Generic coat of arms of an Honorary Prelate
• 
  Mgr. Alfred Vanneste, Honorary Prelate

• Chaplain of His Holiness
• Protonotary apostolic