Establishing the fundamental principles on which the legal regulation of certain social relations is based is important for the development of theoretical ideas about the goals and methods of regulating such relations, as well as for improving legislation in the relevant area. The question of the principles of competition law is becoming the subject of increasingly close scientific attention; however, when defining such principles, the specifics of competition relations and the scope of antitrust regulation are not always taken into account. In the paper, the author examines some scientific points of view on the principles of competition law and formulates provisions that can be classified as such principles. In particular, these are the principles of a reasonable approach to assessing anti-competitive behavior; free exercise of the right to competition; provision of state or municipal property, and rights thereto, to economic entities on the basis of competitive procedures; prohibition of combining government powers with the functions of an economic entity; inadmissibility of creating obstacles to the emergence of competition, its restriction or elimination.