The Organisation of Islamic Cooperation (OIC) is the second largest inter-governmental organization after the United Nations whose 57 Member States are found on four continents. The Organization is the collective voice of the Muslim world, ensuring to safeguard and protect the interests of the Muslim world in the spirit of promoting international peace and harmony among various people of the world. The Organization was established upon a decision of the historical summit which took place in Rabat, Kingdom of Morocco on 12th Rajab 1389 Hijra (25 September 1969).

In June 2015, KAICIID signed a Memorandum of Understanding with OIC to join efforts to promote interreligious dialogue and peace efforts throughout the world, with a focus on countries and regions that are facing specific challenges in this regard. Under this framework, the two organizations are cooperating in the context of South-East Asia to promote Buddhist/Muslim dialogue and peaceful coexistence between the followers of the different faith traditions in the region. A regional conference was held in Bangkok in December 2017 to discuss recommendations to address the situation. KAICIID and OIC are also working together in the Central African Republic to build dialogue capacities and enhance the role of religious actors and traditional leaders in the implementation of the peace agreements. To this end, an interfaith conference was held in Dakar (Senegal) in December 2017, leading to the adoption of an action plan calling religious actors and traditional leaders for a more prominent role of in the peace process.