One of the most prominent challenges of the ancient world and the modern era is the movements based on equality and negation of discrimination. In fact, the principle of prohibiting discrimination has been one of the fundamental principles emphasized by various schools of thought throughout history. The purpose of the current research, which is descriptive-analytical, is to examine the legal aspects of discrimination in the mirror of international sports law. The results of the research show that despite the fact that the concept of discrimination is recognized as one of the basic principles in international human rights and one of the general legal principles in the international law system, and governments explicitly prohibit any discrimination against citizens, foreign nationals. Residents are prohibited in their own territory and even in their relations with other countries. However, in order to achieve higher goals and protect the fundamental values ​​of the international law system, it is considered legitimate to apply compensatory discrimination in cases. International sports law is one of the areas that, in line with the realization of the basic values ​​contained in the Olympic Charter, has given the color of legitimacy to some discriminatory behaviors and approaches, including the different behaviors between male and female athletes, the religious rights of athletes, the way Dealing with athletes with disabilities, etc. mentioned.