This study explores the significant contributions of Prof. Dr. Abdullah Jahangir in resisting social, moral, and religious vices in Bangladesh. A renowned Islamic scholar, educator, and reformer, Dr. Jahangir devoted his life to addressing societal challenges, emphasizing moral integrity and adherence to Islamic principles. Through his writings, public lectures, and community initiatives, he worked tirelessly to counteract practices and behaviors that he identified as detrimental to the spiritual and ethical fabric of Bangladeshi society. The research highlights his approach to tackling issues such as corruption, extremism, and cultural degradation, focusing on his scholarly methodologies and public engagement. Additionally, the study examines the lasting impact of his efforts in fostering awareness, promoting education, and inspiring a movement towards ethical reform. The findings demonstrate how his legacy continues to influence contemporary efforts in addressing vices in Bangladesh, providing valuable insights for scholars, policymakers, and community leaders committed to social improvement.