The Roman Catholic Diocese of Daloa (Latin: Dalaoaën(sis)) is a diocese located in the city of Daloa in the ecclesiastical province of Gagnoa in Côte d'Ivoire.

• April 9, 1940: Established as Apostolic Vicariate of Sassandra from the Apostolic Vicariate of Costa d’Avorio
• September 14, 1955: Promoted as Diocese of Daloa

The cathedral of the diocese is the Cathédrale du Christ-Roi in Daloa.

• Bishops of Daloa (Roman rite), below
  • Bishop Marcellin Yao Kouadio (since 2018.04.25)
  • Bishop Maurice Konan Kouassi (2005.03.22 - 2018.04.25)
  • Bishop Pierre-Marie Coty (1975.11.20 – 2005.03.22)
  • Bishop Pierre-Eugène Rouanet, S.M.A. (1956.07.04 - 1975.11.20)
  • Bishop Jean Marie Etrillard, S.M.A. (1956.02.29 – 1956.07.04), appointed Bishop of Gagnoa
• Vicar Apostolic of Sassandra (Roman rite), below
  • Bishop Alphonse Charles Kirmann, S.M.A. (1940.04.09 – 1955.03.25)

• Roman Catholicism in Côte d'Ivoire
• List of Roman Catholic dioceses in Côte d'Ivoire

• GCatholic.org
• Catholic Hierarchy

6°53′N 6°27′W / 6.883°N 6.450°W / 6.883; -6.450