The Apostolic Vicariate of Rundu (Latin: Vicariatus Apostolicus Runduensis) is a Roman Catholic apostolic vicariate in Namibia (southwestern Africa). Its cathedral episcopal see is St. Mary's in the city of Rundu. Although a missionary pre-diocesan jurisdiction, it is not exempt but a suffragan in the Ecclesiastical province of the Metropolitan Archdiocese of Windhoek.