This article examines Islamic Banking and Finance in East Africa: Market Development and Regulatory Frameworks: An African Union Perspective with a focused emphasis on Benin within the field of Business. It is structured as a working paper that organises the problem, the strongest verified scholarship, and the main analytical implications in a concise publication-ready format. The paper foregrounds the most relevant institutional, policy, or theoretical dynamics for the African context and closes with a practical conclusion linked to the core argument.