Modern sport is a unique phenomenon that combines economic, social, cultural, political and other dimensions. Therefore, the regulation of relations arising in the field of sport, which are diverse in their content, is equally important. This study is stipulated by the need for a comprehensive understanding of the specifics of regulation of legal relations in the field of sport by studying the aspect of sambo within the framework of the theoretical and legal approach. This need is actualised by the increasing frequency of performances of Ukrainian athletes in the international arena. The importance and role of sport is gradually increasing, and the list of sport is also growing. In this regard, the need for high-quality regulation of relations and research into the prospects for the development and improvement of this area has become increasingly important. The purpose of the study is to analyse and consider legal aspects in the field of sport, with a focus on sambo, which will allow determining the legal framework and identifying areas for improving the regulation of sport in Ukraine. The main research methods are dialectical, abstract and logical, morphological analysis, analysis and synthesis, hermeneutic, systemic, and modelling methods. The study analyses international and national legislation in the field of sambo; examines the activities of certain international organisations in the field of sambo; and identifies problematic issues and ways to solve them in the regulation of sambo in Ukraine. Potential areas for future research include the analysis of the experience of other countries in the regulation sambo for the possible introduction of best practices; study of the interaction between public authorities and sport federations in the context of sambo; study of the effectiveness of anti-doping control measures in sambo and their impact on athlete health; and study of the effectiveness of measures to prevent and combat doping.