A Ministry of Religious Affairs (sometimes with a similar name) is a government department responsible for religious matters, including:
Ministry of Hajj and Religious Affairs (Afghanistan)
Ministry of Religious Affairs (Algeria)
State Committee for Work with Religious Organizations (Azerbaijan)
Ministry of Foreign Affairs and Worship (Argentina)
Ministry of Justice and Islamic Affairs (Bahrain)
Ministry of Religious Affairs (Bangladesh)
Ministry of Religious Affairs Brunei
Ministry of Cult and Religion (Cambodia)
State Administration for Religious Affairs (China)
Minister for Ecclesiastical Affairs of Denmark
Ministry of Awqaf (Egypt)
Minister of Worship (France)
Ministers of Religious Affairs ("Kultus", in its literal meaning) of the German states. Most well known for their administration of (previously Church-run) schools (and hence usually translated as ministers of education), yet remain competent for the relationships with the Churches. See Kultusministerkonferenz
Ministry of Education and Religious Affairs (Greece)
Ministry of Minority Affairs of India (also responsible for linguistic minorities)
Ministry of Islamic Affairs (Maldives)
Ministry of Religious Affairs (Indonesia)
Ministry of Religious Services of Israel
Ministry of Religious Affairs (Myanmar)
Ministry of Endowments and Religious Affairs (Oman)
Ministry of Religious Affairs (Pakistan)
Ministry of Awqaf and Islamic Affairs (Qatar)
Minister of Religion (Serbia)
Minister-in-charge of Muslim Affairs (Singapore)
Ministry of Gender, Social Welfare and Religious Affairs (South Sudan)
Ministry of Religious Affairs (Tunisia)