Diversity is any characteristic that creates people different from one another. It is the similarities and differences between workers in terms of gender, age, educational level, ethnicity, sexual orientation, or other dimensions. Workplace diversity is the importance of similarities and differences that exist among employees of athletic organizations. It means a workplace consisted of people who belong to various cultural groups or people with different human qualities. Age is a variable that is rarely discussed as the main point of diversity in sports organizations. Therefore the aim of the present study was to determine the impact of age on the perceptions of diversity management of employees working in east Attica municipal sports organizations. Three hundred and twenty-five subjects working in the sports municipalities in east Attica randomly selected participated in the study. For data collection, we used the scale developed by DeMeuse and Hostager (2001). After results analysis of the questionnaire scores by ANOVA, significant differences were observed in nine of a total of twenty items. It is concluded that employees of older age who work in municipal sports organizations of East Attica had more negative perceptions toward diversity in comparison to other age groups.