This study deals with the impact of a third-party financing contract on the effectiveness of international arbitration, which is one of the emerging topics in the world of international arbitration. The financial challenges posed by the increasing costs of international arbitration showed the importance of the existence of external support institutions that aim primarily at helping financially troubled companies and institutions to reach justice by providing them with the material capabilities necessary to initiate and continue the procedures of the arbitration process . The researcher decided to divide this study into two chapters, the first of which dealt with the legal framework of the financing contract from a third-party in international arbitration. This chapter included two main sections, the first of which reviewed the nature of the financing contract from a third-party in international arbitration, in which the researcher explained the concept of a financing contract from a third-party and the stages of its formation and analyzed the rights and obligations of parties to the financing agreement. As for the second chapter of this study, the researcher dealt with the effectiveness of the financing contract from a third-party in international arbitration by assessing the negative effects on the arbitration procedures, to the parties, and the arbitral tribunal. The second topic dealt with the positive effects of the financing contract on both the financing party, the financing entity and the arbitration process.