Journal of Information Organization Sulieman Al-Hawary, Ayat Mohammad 9 4 2019 https://doi.org/10.6025/jio/2019/9/4/119-133 http://www.dline.info/jio/fulltext/v9n4/jiov9n4_2.pdf Implementing workplace diversity has become a major focus in many Human Resource departments. Diversity workforce can contribute to the organization’s success by enabling access to a changing marketplace via the organization’s multicultural employees. This study aimed to examine the impact of workforce diversity on the job performance in hotels operating in Jordan. Four dimensions of workplace diversity were included in the study: Gender, Age, Nationality, and Education background, on the other hand, job performance was measured by two dimensions: task performance and contextual performance. The study population consists of all managers working at different managerial levels in hotels in Jordan; samples of 389 managers were selected to represent the study population. Data were collected using a questionnaire developed on the strength of previous studies. Both IMB SPSS 19.0 and AMOS 23.0 were run to examine and test measures, data and hypotheses. The results of the study supported the hypotheses that workforce diversity dimensions; Gender, age, nationality and educational background have a positive impact on job performance. Based on the study results the researchers recommend managers and decision makers of hotels in Jordan need to create better diversity management action plans in order to better accommodate the changing business environment.