| Bishops and Ordinaries of Tonga (2) |
Cardinal (1) |
Mafi, Soane Patita Paini (64), Cardinal-Priest of S. Paola Romana and Bishop of Tonga (Tonga) |
Other Prelates (1) |
| Fe’ao, Sinalelea, Member of Pontifical Commission for the Protection of Minors |
| Other Prelates related to Tonga (2) |
 Balvo, Charles Daniel (74), Titular Archbishop of Castello and Apostolic Nuncio to Australia |
 Krebs, Martin (69), Titular Archbishop of Taborenta, Apostolic Nuncio to Monaco, Apostolic Nuncio to Switzerland and Apostolic Nuncio to Liechtenstein |