Introduction: Nowadays, in modern management, concept of work life quality become a major social topic all around the world. Quality of work life programs is including any improvements in organizational culture that promotes the advance and development of employees in organization. Knowledge management is involved as factors affecting the quality of work life. Madankar et al. (2014), concluded that there was a significant relationship between the quality of work life and knowledge management. Organizations to manage their existing knowledge need to employees having staunch. Findings research of Jenaabadi et al. (2014), indicated significant relationship between knowledge management and organizational commitment.
Methodology: The method applied in this research work was descriptive-correlation. The population of this study included all employees of youth and sports office of Fars province (N=320). Among them, 180 people were chosen by cluster random sampling. The questionnaires of quality of work life (Walton, 1973), knowledge management (Conrad & Newman, 1999), and organizational commitment (Allen and Meyer, 1990) were used to collect data. The data was analyzed by Pearson correlation and path analysis (Amos).
Results: Findings indicated that quality of work life and knowledge management had a direct and significant impact on organizational commitment. Also the knowledge management had a direct and positive impact on organizational commitment. Finally, the model showed a good fit to the data.
Discussion: The results imply the importance of work life quality and knowledge management on organizational commitment of employees. Thus, quality of work life and knowledge management should be noticed in all policy-making related to office of youth and sport.