The article discusses the Vatican's public diplomacy tools, specifically the phenomenon of sports diplomacy. Sports diplomacy is a new tool for the realization of soft power by the Vatican, which gained its relevance during the pontificate of Francis I. This type of cultural diplomacy is characterized by significant dynamism, connection with socio-economic and political trends, and for a long time was out of the Vatican's sight due to moral and ethical contradictions inherent in this type of public diplomacy, as well as the lack of resources for the implementation of initiatives in this area. The contradictory nature of sports diplomacy for the Vatican is due, on the one hand, to the "ideal" sport's focus on the cultivation of moral and ethical values approved by the Roman Catholic Church (compassion, respect, love, harmony, and joy), and, on the other hand, to the political engagement and business orientation of "real" professional sport. Due to the traditional role of the RCC as a source of moral and ethical guidelines for Catholic society, sports diplomacy for the Vatican involves significant reputational risks. These risks stem from many factors, among them: the exploitation of athletes, the spread of dishonest sporting behavior (e.g., doping) within sports organizations, and the inconsistency with the values imposed by the sports industry, among them body worship, hedonism, consumerism, hoarding, individualism, and the obsession with success. In many ways, the emergence of this tool has been a forced measure and is linked to the changing territorial distribution and national composition of Catholicism, which has necessitated the need to find new ways to establish a dialogue with the Vatican's target audience, which is predominantly made up of people from developing countries in the global South. These circumstances have led to a decline in the popularity of the RCC and its doctrines, as well as a decline in the attractiveness of the Christian way of life and Christian values among believers. They have also become an indicator for the RCC of the need to respond to the changes that have taken place and to seek new tools of public diplomacy that can bring the Church back to the attention of its target audience. The article examines the Vatican's views on the values of sport and the sports industry, discussing their relevance to Christian values, as well as acceptable formats for the Vatican's participation in the sporting life of society. The article discusses the Vatican's priorities, including its predominant focus on amateur sports. At the same time, it reveals evidence of the Vatican's intention to increase its representation in professional sports, which is expressed in the creation of specialized agencies, inclusion in sports associations and societies, and involvement of professional athletes. The current limitations of Vatican sports diplomacy are also examined. Conclusions are drawn about the Vatican's interest in the development of sports diplomacy and its desire to use this tool to achieve strategic goals.