| Bishops and Ordinaries of Wales (12) |
Archbishops (2) |
 O’Toole, Mark (59), 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 (8) |
 Brignall, Peter Malcolm (69), Bishop of Wrexham (Wales) |
 Burns, Thomas Matthew, S.M. (78), Bishop emeritus of Menevia (Wales) |
| Gemayel, Maroun-Nasser (72) (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. (89), Bishop emeritus of Menevia (Wales) |
| Mason, Paul James (60), 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 (87), Bishop emeritus of Wrexham (Wales) |
| Srampickal, Joseph (Benny Mathew) (55) (Syro-Malabar Rite), Bishop of Great Britain of the Syro-Malabars (England) |
Other Prelates (2) |
 Newton, Keith (71), Ordinary of Our Lady of Walsingham (England) |
 Thomas, Christopher Paul (54), General Secretary of Bishops’ Conference of England and Wales |
| Other Prelates born in Wales (1) |
 Collins, Peter Gwilym (65), Bishop of East Anglia (England) |
| Other Prelates related to Wales (7) |
 Adams, Edward Joseph (78), Titular Archbishop of Scala |
| Chomnycky, Paul Patrick, O.S.B.M. (69) (Ukrainian Rite), Bishop of Stamford of the Ukrainians (USA) |
  Gugerotti, Claudio (67), Titular Archbishop of Ravello, Prefect of Dicastery for the Eastern Churches and Grand Chancellor of Pontifical Oriental Institute |
 Lonchyna, Hlib Borys Sviatoslav, M.S.U. (69) (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 (67), Titular Archbishop of Italica and Apostolic Nuncio to Great Britain |
| Mennini, Antonio (75), Titular Archbishop of Ferento |
| Moth, Charles Phillip Richard (64), Bishop of Arundel and Brighton (England) |
