The Roman Catholic Metropolitan Archdiocese of Santiago de los Caballeros (Latin: Archidioecesis Metropolitae Sancti Iacobi Equitum) is a Latin Rite Metropolitan Archdiocese in the Dominican Republic.

• Established on 25 September 1953 as the Diocese of Santiago de los Caballeros / Sancti Iacobi Equitum (Latin adjective), on territory split off from Roman Catholic Archdiocese of Santo Domingo
• Lost territories on 1978-01-16 to establish two suffragan daughters, Diocese of Mao–Monte Cristi and Diocese of San Francisco de Macorís
• Promoted on 14 February 1994 as Metropolitan Archdiocese of Santiago de los Caballeros / Sancti Iacobi Equitum (Latin)
• Lost territory again on 1996-12-16 to establish another suffragan daughter, the Diocese of Puerto Plata.

As per 2014, it pastorally served 1,118,000 Catholics (83.7% of 1,336,000 total) on 3,633 km² in 89 parishes and 17 missions with 125 priests (74 diocesan, 51 religious), 132 deacons, 350 lay religious (136 brothers, 214 sisters) and 37 seminarians.

The Metropolitan has the following suffragan sees :

• Roman Catholic Diocese of La Vega
• Roman Catholic Diocese of Mao-Monte Cristi
• Roman Catholic Diocese of Puerto Plata
• Roman Catholic Diocese of San Francisco de Macorís.

(all Roman Rite)

• Apostolic Administrator Octavio Antonio Beras Rojas (1953 – 1956-07-22) while Titular Archbishop of Euchaitæ (1945-05-02 – 1961-12-10) and Coadjutor Archbishop of Santo Domingo (Dominican Republic) (1945-05-02 – 1961-12-10)
• Hugo Eduardo Polanco Brito (1956-07-22 – 1966-03-14)
• Roque Antonio Adames Rodríguez (1966.03.14 – 1992-04-22)
  • Auxiliary bishop Jesús María de Jesús Moya (1977-04-13 – 1984-04-20)
• Juan Antonio Flores Santana (1992-07-13 – 1994-02-14 see below)

• Juan Antonio Flores Santana (see above 1994-02-14 - 2003-07-16)
  • Auxiliary bishop Diómedes Espinal de León (2000-04-20 – 2006.05-24)
• Ramón Benito de La Rosa y Carpio (2003-07-16 – 2015-02-23)
• Freddy Antonio de Jesús Bretón Martinez (2015-02-23 – ...)
  • Auxiliary bishop Valentin Reynoso Hidalgo, (M.S.C.), (2007-10-22 – ...) Titular Bishop of Mades
  • Auxiliary Bishop Carlos Tomás Morel Diplán, (2016-12-14 – ...) Titular Bishop of Capo della Foresta
• Héctor Rafael Rodríguez Rodríguez, (2023 - present)

• Hugo Eduardo Polanco Brito (1953-1956), appointed Bishop here
• Jesús María de Jesús Moya (1977-1984), appointed Bishop of San Francisco de Macorís
• Diómedes Espinal de León(2000-2006), appointed Bishop of Mao-Monte Cristi
• Valentín Reynoso Hidalgo, M.S.C. (2007-2018)
• Carlos Tomás Morel Diplán (2016- )

• Gregorio Nicanor Peña Rodríguez, appointed Bishop of Puerto Plata in 1996
• José Amable Durán Tineo, appointed auxiliary bishop of Santo Domingo in 2020

• List of Catholic dioceses in the Dominican Republic

• GCatholic - data for all sections
• Official website of the Archdiocese of Santiago de los Caballeros Archived 2012-01-03 at the Wayback Machine
• "Archdiocese of Santiago de los Caballeros". Catholic-Hierarchy. Retrieved 2007-02-15.
• Conferencia del Episcopado Dominicano (Bishops' Conference)

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