This research paper explores the crucial role of Interpol and Europol in the global fight against terrorism. It examines the organizational structures, functions, and operational capabilities of these international law enforcement agencies. The paper investigates the legal frameworks, challenges, and successes of their collaborative efforts, including information sharing, joint investigations, and operational support. Furthermore, it analyzes the impact of these agencies on preventing and countering terrorist activities across different jurisdictions and assesses the effectiveness of their strategies in the evolving landscape of terrorism.