  Msgr. Manuel Saturino da Costa Gomes, S.C.I. (71) Prelate Auditor of Tribunal of the Roman Rota |
| Msgr. Jehan Dahyot-Dolivet |
 Fr. Jesus Dajac, M.F. Superior General of Congregation of Missionaries of Faith |
 Prof. Paolo D’Alessandro Secretary of Pontifical Academy for Latin |
 Fr. Emmanuel d’Alzon, A.A. |
 Abbot Mekhitar da Pietro, C.A.M. |
 Abbot Filipe da Silva, O.S.B. (62) President of Benedictine Congregation of Brazil |
 Fr. Jeremy Ponsonby Meredyth Davies |
 Sr. Barbara Dawson, R.S.C.J. Superior General of Society of the Sacred Heart of Jesus |
 Fr. Louis-Marie de Blignières, F.S.V.F. (75) Superior General of Fraternity of Saint Vincent Ferrer |
 Dr. Maud de Boer-Buquicchio (79) Member of Pontifical Commission for the Protection of Minors |
 Blessed Fr. Theodorus de Cellis, O.S.C. |
| Abbot Francesco De Feo, O.S.B. (49) (Italo-Albanese Rite) Hegumen of Italian Basilian Order of GrottaferrataHegumen of Santa Maria di Grottaferrata of the Italo-Albanese (Italy) |
| Mr. Jean-Baptiste Douville de Franssu (60) President of Institute for Works of Religion |
| Venerable Fr. Léon Dehon, S.C.I. |
| Fr. Jean-Marie de La Mennais |
| Fr. Michel Delannoy, Prado (64) Superior General of Prado Institute |
| Fr. Dysmas de Lassus, O. Cart. (67) Minister General of Carthusian Order (Carthusians) |
| Sr. Giuseppina Del Core, F.M.A. (71) President of Pontifical Faculty of Education Sciences (Auxilium) |
| Fr. Júlio Maria de Lombaerde, S.D.N. |
| Fr. Evando Batista de Moraes, S.P. ad V. (50) Superior General of Congregation of Saint Peter in Chains |
| Prof. Mario De Nonno (70) President of Pontifical Academy for Latin |
 Fr. Alexandre Denou General Secretary of Episcopal Conference of Mali |
| Fr. Francisco de Paula Vallet, C.P.C.R. |
| Br. Hugues de Payens |
 Msgr. Giuseppe De Piro, M.S.S.P. |
 Ms. Louise de Reynold |
| Fr. Alexandre de Rhodes, S.J. |
 Fr. Thierry de Roucy (66) Founder of Heart’s Home |
| Fr. Gabriel Deshayes |
 Fr. Chris de Souza General Secretary of Australian Catholic Bishops Conference |
| Fr. Agustín Devesa del Prado, O.M.D. Superior General of Order of the Discalced Friars of the Blessed Virgin Mary of Mercy (Discalced Mercedarians) |
 Ms. Teresa Devlin Member of Pontifical Commission for the Protection of Minors |
| Mr. Michel-Bernard de Vregille (61) General Moderator of Emmanuel Community |
| Fr. Hugues de Woillemont (54) Priest of Nanterre (France)General Secretary of Bishops’ Conference of France |
 Abbot Olivier Deysine, C.R.V. Superior General of Canons Regular of Saint Augustine of the Congregation of WindesheimUt credentes vitam habeant |
| Msgr. João Scognamiglio Clá Dias, E.P. |
| Msgr. José Luis Díaz-Mariblanca Sánchez (戴旭華) Priest of Toledo (Spain)Head of Study Mission in Hong Kong of PhilippinesPrelate of Honour of His HolinessPriest of Toledo (Spain) (? – ...)Chaplain of His Holiness (2012.02.08 – 2022.03.23)Prelate of Honour of His Holiness (2022.03.23 – ...)Head of Study Mission in Hong Kong of Philippines (2022.07.19 – ...) |
 Archimandrite Antoine Dib, B.S. (Greek-Melkite Rite) Superior General of Basilian Order of the Most Holy Saviour (Salvatorian Fathers) |
| Prof. Alessandro Diddi (59) Promoter of Justice of Office of Promoters of Justice |
| Fr. Raffaele Di Muro, O.F.M. Conv. (55) President of Pontifical Theological Faculty of Saint Bonaventure (Seraphicum) |
 Fr. Yala Banorani Djetaba Priest of Sokodé (Togo)Papal Master of Ceremonies of Office for the Liturgical Celebrations of the Supreme Pontiff |
| Br. Anthony Dolan, O.S.F. Minister General of Franciscan Brothers of the Third Order Regular of Mountbellew |
 Br. Rafael Donatus, C.F.H. Superior General of Brothers of the Immaculate Conception of Huijbergen |
| Fr. Arturo D’Onofrio, M.D.R. |
| Fr. Daniel Dorsey, G.H.M. (72) Superior General of Glenmary Home Missioners |
| Mr. Nelson Giovanelli Rosendo dos Santos Member of Pontifical Commission for the Protection of Minors |
 Fr. Paul Dossous, P.S.J. (55) Superior General of Society of Priests of Saint James |
 Msgr. Ján Dubina (44) Priest of Banská Bystrica (Slovakia)Papal Master of Ceremonies of Office for the Liturgical Celebrations of the Supreme PontiffChaplain of His Holiness |
| Mr. Frank Duff |
| Fr. Charles-Augustin Duguey, P.S.M. |
 Fra’ John Timothy Dunlap, S.M.O.M. (67) Grand Master of Sovereign Military Hospitaller Order of Saint John of Jerusalem of Rhodes and of Malta (Knights of Malta) |
| Fr. Victor Dunne, S.P.S. Superior General of Saint Patrick’s Society for the Foreign Missions |
 Fr. Selvaratnam James Dunstan, I.V.D. (54) Director General of Institute Voluntas Dei |
| Abbot Philippe Dupont, O.S.B. President of Solesmes Congregation |
| Fr. Jacques Vincent Duret, C.S.B. |
 Mr. Alistair Dutton Secretary General of Caritas Internationalis |