| Acronym | Mendicant Orders of Pontifical Right | Members | Superior General |
| O.A.R. | Order of Augustinian Recollects (Augustinian Recollects) | 934 |   Fr. Miguel Ángel Hernández Domínguez, O.A.R. (60) |
| O.F.B. | Order of Brothers of Bethlehem (Bethlehemites) | 13 | Fr. Daniel José Padilla Piñero, O.F.B. |
| O.A.D. | Order of Discalced Augustinians (Discalced Augustinians) | 233 |  Fr. Doriano Ceteroni, O.A.D. (74) |
| O.C.D. | Order of Discalced Carmelites (Teresian Carmelites) | 3,917 | Fr. Miguel de María Márquez Calle, O.C.D. (59) |
| O.S.M. | Order of Friar Servants of Mary (Servites) | 753 |  Fr. Gottfried M. Wolff, O.S.M. (66) |
| O.F.M. Cap. | Order of Friars Minor Capuchin (Capuchin Franciscans) | 9,880 | Fr. Roberto Genuin, O.F.M. Cap. (63) |
| O.F.M. Conv. | Order of Friars Minor Conventual (Conventual Franciscans) | 3,879 |  Fr. Carlos Alberto Trovarelli, O.F.M. Conv. (62) |
| O.F.M. | Order of Friars Minor (Franciscans) | 12,169 | Fr. Massimo Fusarelli, O.F.M. (61) |
| O.P. | Order of Preachers (Dominicans) | 5,432 |  Fr. Gerard Francisco Timoner III (57) |
| O.S.A. | Order of Saint Augustine (Augustinians) | 2,428 | Fr. Alejandro Moral Antón, O.S.A. (69) |
| O. de M. | Order of the Blessed Virgin Mary of Mercy (Mercedarians) | 622 |  Fr. Leoncio Osvaldo Vivar Martínez, O. de M. |
| O. Carm. / O.C. | Order of the Brothers of Our Lady of Mount Carmel (Carmelites) | 1,997 |  Fr. Míċéal O’Neill, O. Carm. (72) |
| O.M.D. | Order of the Discalced Friars of the Blessed Virgin Mary of Mercy (Discalced Mercedarians) | 36 | Fr. Agustín Devesa del Prado, O.M.D. |
| O.H. / F.B.F. | Order of the Hospitallers of Saint John of God | 975 |  Br. Pascal Ahodegnon, O.H. (53) |
| O.M. | Order of the Minims | 168 | Fr. Gregorio Amedeo Colatorti, O.M. (73) |
| O.SS.T. | Order of the Most Holy Trinity and of the Captives (Trinitarians) | 569 | Fr. Luigi Buccarello, O.SS.T. (50) |
| T.O.R. | Third Order Regular of Saint Francis | 804 | Fr. Amando Trujillo Cano, T.O.R. (62) |
