The purpose of this research was studies the types of interpersonal conflicts, causes of conflicts and management techniques of interpersonal conflicts in a faith-based organization Gulele Bethel Mekane Yesus Church. The subject participated in this study were 162 members of Gulele Bethel Mekane Yesus Church, in Addis Ababa, Addis Ketema sub-city. The method used to select the samples was cluster sampling. The instrument employed in data collection was a questionnaire. Frequency and percentage were employed in analysis of the data. Accordingly, the result of frequency and percentage analysis indicated that cognitive type of conflict is the most frequent type of conflict. With regard to causes of conflict, scarcity of resources, differences in attitude, values or perceptions, disagreements about needs, goals, priorities, positions and interests, and poor communications are the major ones. Findings of the research show that members of Gulele Bethel Mekane Yesus Church use the five techniques of conflict management: competing, avoiding, accommodating, compromising and collaborating. In addition to that, the Gulele Bethel Mekane Yesus Church members employ indirect conflict management techniques such as altering scripts and myths.