Entrepreneurship is termed as key element in the economic and stable development of a country, while entrepreneurship is the global content and impact profitable growth, job creation, and invention. The current research was designed to study Proactive Personality, Entrepreneurial Passion, Entrepreneurial Intention, and Entrepreneurial Behavior among University Students. The sample consisted of (N=300) university students from the public and private sector of Lahore in the final year of their degree program, both males and females, with a purposive sampling method. In the present study, Pearson Product Moment Coefficient of Correlation Analysis, Multiple Linear Regression Analysis, and Hayes PROCESS simple Mediation Analysis were used to analyze the data through SPSS 26. The results of the study indicated that all the correlations among the variables are significant. Results of multiple linear regression analysis indicated that proactive personality, entrepreneurial passion, and entrepreneurial intention were the significant positive predictors for entrepreneurial behavior. Results for simple mediation analysis showed that entrepreneurial intention significantly mediated between proactive personality, entrepreneurial passion, and entrepreneurial behavior. In other words, university students with entrepreneurial intentions based on proactive personality and entrepreneurial passion engaged more in entrepreneurial behavior. The findings of this research hold some important implications for Pakistan's educator sectors and policy framers, and it also contributes toward helping the HEC develop programs that help in cultivating an entrepreneurial culture in Pakistan.