In this paper, the effect of three human resource management practices namely, compensation and benefits, training and development, and performance appraisal and achievement was examined along with organizational culture, motivation and knowledge management on job performance among Jordanian banks. The construct of job performance was measured by the combination of task performance and organizational citizenship behavior. The study employed convenience sampling to which 30 questionnaires were distributed. The finding showed a significant impact of human resource management practices (compensation and benefits, training and development, and appraisal and achievement), organizational culture, motivation and knowledge management on job performance in the Jordanian banks. On the basis of the findings, the researcher provided recommendations for the banks in terms of strengthening the relationship between their knowledge management job performance. The study also provided implications to theory and practice based on the findings.Â