TheRoman Catholic Diocese of Ruhengeri (Latin:Dioecesis Ruhengeriensis) is an ecclesiastical territory ordiocese of the Roman Catholic Church in Rwanda. It was erected on 20 December 1960 byPope John XXIII. The diocese is asuffragan of theArchdiocese of Kigali. The current bishop is Vincent Harolimana.
The diocese counts 11parishes and covers the former Ruhengeri province in the current Musanze district. The diocese has been recovering from the war disaster since 1990–1998, and by the efforts by Bishop Bahujimihigo, it is moving towards a truly national ranking. The diocese owns one of the leading institution of higher learning (INES, Institut d'enseignement superieur de Ruhengeri) and a practical hospital (Hôpital de Nemba).