| Acronym | Mendicant Orders of Pontifical Right | Members | Superior General |
| O.A.R. | Order of Augustinian Recollects (Augustinian Recollects) | 929 |  Fr. Miguel Ángel Hernández Domínguez, O.A.R. (61) |
| 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) | 227 |  Fr. Simon Nei Márcio, O.A.D. (48) |
| O.C.D. | Order of Discalced Carmelites (Teresian Carmelites) | 3,887 |  Fr. Miguel de María Márquez Calle, O.C.D. (60) |
| O.S.M. | Order of Friar Servants of Mary (Servites) | 755 |  Fr. Sergio Maria Ziliani, O.S.M. |
| O.F.M. Cap. | Order of Friars Minor Capuchin (Capuchin Franciscans) | 9,794 |  Fr. Roberto Genuin, O.F.M. Cap. (64) |
| O.F.M. Conv. | Order of Friars Minor Conventual (Conventual Franciscans) | 3,879 |  Fr. Carlos Alberto Trovarelli, O.F.M. Conv. (63) |
| O.F.M. | Order of Friars Minor (Franciscans) | 11,984 |  Fr. Massimo Fusarelli, O.F.M. (62) |
| O.P. | Order of Preachers (Dominicans) | 5,369 |  Fr. Gerard Francisco Timoner III (58) |
| O.S.A. | Order of Saint Augustine (Augustinians) | 2,340 |  Fr. Joseph Lawrence Farrell, O.S.A. (62) |
| O. de M. | Order of the Blessed Virgin Mary of Mercy (Mercedarians) | 602 |  Fr. Leoncio Osvaldo Vivar Martínez, O. de M. |
| O. Carm. / O.C. | Order of the Brothers of Our Lady of Mount Carmel (Carmelites) | 1,984 |  Fr. Desiderio García Martínez, O. Carm. (55) |
| O.M.D. | Order of the Discalced Friars of the Blessed Virgin Mary of Mercy (Discalced Mercedarians) | 31 |  Fr. Agustín Devesa del Prado, O.M.D. |
| O.H. / F.B.F. | Order of the Hospitallers of Saint John of God | 958 | Br. Pascal Ahodegnon, O.H. (54) |
| O.M. | Order of the Minims | 178 |  Fr. Gregorio Amedeo Colatorti, O.M. (74) |
| O.SS.T. | Order of the Most Holy Trinity and of the Captives (Trinitarians) | 564 |  Fr. Luigi Buccarello, O.SS.T. (51) |
| T.O.R. | Third Order Regular of Saint Francis | 790 |  Fr. Amando Trujillo Cano, T.O.R. (63) |