The paper is focused on the contributions of faith-based organizations in peace building process for sustainable development in Rivers state, Nigeria. The explanatory approach was adopted through secondary research materials to clarify understanding of concepts that formed major sub-headings in the discourse. The various views of researchers on the subject matter were adequately addressed. The key concepts in the study were also x-rayed. Activity areas of Faith- based organizations in peace building are highlighted. The study suggested among others, that the State and development agenciesshould synergize with faith-based organizations in areas of funding seminars on peaceful co-existence among the people. Also, Faith-based organizations should keep track of making peace among the people. This will enable them to offer early warning signals about conflicts to the government.
Keywords: Faith-Based, Nigeria, Organizations, Rivers State, peace building sustainable community development