The Roman Catholic Diocese of Goroka is a suffragan diocese of the Roman Catholic Archdiocese of Mount Hagen based in Goroka. It was erected Vicariate Apostolic in 1959 and elevated to a diocese in 1966. In 1982, part of the diocese was separated to become the Diocese of Kundiawa.
6°05′07″S 145°23′13″E / 6.0854°S 145.3870°E