| Bishops and Ordinaries of Wales (12) |
Archbishops (2) |
 O’Toole, Mark (60), Metropolitan Archbishop of Cardiff (Wales) and Bishop of Menevia (Wales) |
 Stack, George (77), Metropolitan Archbishop emeritus of Cardiff (Wales) and former Apostolic Administrator of Menevia (Wales) |
Bishops (9) |
 Brignall, Peter Malcolm (70), Bishop of Wrexham (Wales) |
 Burns, Thomas Matthew, S.M. (79), Bishop emeritus of Menevia (Wales) |
| Gemayel, Maroun-Nasser (73) (Maronite Rite), Bishop of Notre-Dame du Liban de Paris of the Maronites (France) and Apostolic Visitator in Western and Northern Europe of the Maronites |
| Jabalé, John Mark, E.B.C. (90), Bishop emeritus of Menevia (Wales) |
| Mason, Paul James (61), Military Ordinary of Great Britain (England) |
| Nowakowski, Kenneth Anthony Adam (65) (Ukrainian Rite), Bishop of Holy Family of London of the Ukrainians (England) and Apostolic Visitator in Ireland of the Ukrainians |
| Regan, Edwin (88), Bishop emeritus of Wrexham (Wales) |
| Srampickal, Joseph (Benny Mathew) (56) (Syro-Malabar Rite), Bishop of Great Britain of the Syro-Malabars (England) |
| Waller, David Arthur (62), Bishop-Ordinary of Our Lady of Walsingham (England) |
Other Prelates (1) |
 Newton, Keith (72), Protonotary Apostolic Supernumerary and Ordinary emeritus of Our Lady of Walsingham (England) |
| Other Prelates born in Wales (2) |
 Collins, Peter Gwilym (65), Bishop of East Anglia (England) |
| Thomas, Christopher Paul (55), Priest of Nottingham (England) and General Secretary of Bishops’ Conference of England and Wales |
| Other Prelates related to Wales (7) |
 Adams, Edward Joseph (79), Titular Archbishop of Scala |
| Chomnycky, Paul Patrick, O.S.B.M. (69) (Ukrainian Rite), Bishop of Stamford of the Ukrainians (USA) |
  Gugerotti, Claudio (68), Cardinal-Deacon of S. Ambrogio della Massima, Prefect of Dicastery for the Eastern Churches and Grand Chancellor of Pontifical Oriental Institute |
 Lonchyna, Hlib Borys Sviatoslav, M.S.U. (70) (Ukrainian Rite), Apostolic Administrator of Saint-Vladimir-le-Grand de Paris of the Ukrainians (France) and Bishop emeritus of Holy Family of London of the Ukrainians (England) |
 Maury Buendía, Miguel (68), Titular Archbishop of Italica and Apostolic Nuncio to Great Britain |
| Mennini, Antonio (76), Titular Archbishop of Ferento |
| Moth, Charles Phillip Richard (65), Bishop of Arundel and Brighton (England) |
