Purpose of the study is to examine how knowledge sharing by women entrepreneurs with business partners, employees or other entrepreneurs improves business performance and antecedent factors influencing them, entrepreneurial motivation and mutual trust. The sample in this study a number of 197 women entrepreneurs. The approach of analysis tools that are used in this research with the Structural Equation Modelling (SEM) estimation using Maximum Likelihood. The results showed that significant effect trust on knowledge sharing. Entrepreneurial motivation significantly influential on knowledge sharing and business performance. Knowledge sharing is a significant effect on business performance.