Prosper Balthazar Lyimo

Prosper Balthazar Lyimo is a Tanzanian Catholic prelate who was appointed as bishop of the Roman Catholic Diocese of Bariadi, in Tanzania on 8 January 2026. The Catholic See was created that same day and is a suffragan of the Ecclasiastical Metropolitan Province of Mwanza. Before that, he was auxiliary bishop in the Roman Catholic Archdiocese of Arusha from 11 November 2014 until 8 January 2026. He was appointed bishop on 11 November 2014 by Pope Francis. He was consecrated at Arusha on 15 February 2015 by Josaphat Louis Lebulu, Archbishop of Arusha. He concurrently served as Titular Bishop of Vanariona, while auxiliary bishop. Pope Leo XIV created the Diocese of Bariadi, Tanzania on 8 January 2026. That same day, he appointed Bishop Prosper Balthazar Lyimo as the pioneer bishop of that new Catholic diocese.