The purpose of this study is to explore the influence of knowledge management on human resource management performance based on the ACHIEVE model in selected banks of Amman. The population consisted of 43 employees in 4 Jordanian banks. Data was gathered by a questionnaire according to performance factors of ACHIEVE model. To identify and get rid of irrelevant variables, reliability analysis was conducted. The Kolmogorov-Smirnov normality test was used to examine if variables are normally distributed. As the dependent variable being measured is ordinal, the Friedman test was performed. Furthermore, one-sample t-tests were conducted to investigate the influence of KM on HRM performance. In light of results, KM is significantly impact HRM performance. According to ACHIEVE model, Out of 5 factors, 4 of them were affected by KM with varying degrees. The incentive was the highest factor impact of KM, while an environment is the lowest. The research presents managerial guidance for decision making to develop HRM performance factors, in addition to many theoretical and practical implications. In the end, directions for further research are also included.