Objective: The purpose of this study was Nepotism in sports organizations based on grounded theory. Methodology: The current research is qualitative and its design is exploratory. The statistical population was university professors, presidents and vice presidents, experts, athletes, veterans, sports experts and coaches of four wrestling, karate, liver and rowing federations. The sample size was 21 people. The measurement tool was a semi-structured in-depth interview with experts. Descriptive and inferential statistics were used to analyze the data. All analyzes were performed using SPSS 19 and MaxQda version 18 software. Results: The findings of the study showed that the Favoritism in the sporting organizations of the country consists of 117 open codes, which are divided into six main categories: causal, causative conditions (networking, individual factors, organizational factors and promotion of social image), pivotal (disregarding collective interests), Employee attachment and employee interest), Subjective (cultural and social factors, structural weaknesses, regulatory and regulatory weaknesses), interventionist (political and civil factors, internal and external pressures, and expectations of relatives and friends), Strategies (organizational reform, organizational culture reform, oversight and transparency strategies as strategies for controlling, managing and responding) and Consequences (growth of organizational performance, improve the economic situation and make appropriate decisions in the organization) takes place. Conclusion: Based on the findings of this research, we conclude that in order to prevent party games in sports organizations, we should focus on the categories extracted from this research. And by identifying these factors, basic steps can be taken to reduce partisanship and nepotism.