The conflict in Southern Thailand is considered a domestic affair of the Thai Gov-ernment, but on the other hand, this conflict also raised concerns from several par-ties that are committed to the protection of human rights and conflict resolution. The resolution of such conflicts is important for the preservation of human rights, for his confidence, and for creating the foundation for the sustainable well-being of both the state and society. This paper aims to analyze the contribution of the Islamic Cooperation Organization in assisting internal conflict resolution in South-ern Thailand. Researchers used a qualitative method by collecting data from a number of relevant documents, including official Islamic Cooperation Organiza-tion documents such as press releases, Islamic Cooperation Organization charter, and offered resolutions. Documentation studies were carried out on several data, including official documents issued by the Islamic Cooperation Organization and the Government of Thailand, journal articles, and news, both online and offline, data then validated by triangulation technique. The findings of the article are of practical importance for studying the development of Southern Thailand’s foreign policy towards neighboring countries, as well as in the field of strengthening re-gional security.
Keywords: Conflict resolution, human rights, global peace, ethnic differences, ethnopolitical movement