The Roman Catholic Archdiocese of Libreville (French: Archidiocèse catholique romain de Libreville) is the Metropolitan See of the Latin Ecclesiastical province covering all Gabon.

Its cathedral episcopal see is the Cathédrale Notre Dame de l’Assomption of Libreville, the national capital, which also has a former cathedral of the same name (both dedicated to the Assumption of Mary).

Its ecclesiastical province comprises the Metropolitan's own see and the following suffragan bishoprics, all in Gabon: