Work environment and engagement has great importance regarding organizational commitment. Now a day’s nurses are stressed and burdened due to poor working environment and less engagement. Organizational commitment means loyalty or commitment of an employee to his or her organization. Thus, the current study aims to assess the effects of work environment and engagement on nurse’s organizational commitment in public hospitals Lahore, Pakistan. Cross-sectional study design was used in this study. Self-administered questionnaire distributed to 200 nurses through convenient random sampling. Descriptive analysis was used to analyze the data while regression analysis was used to test the hypothesis. Finding of the current study reveals the significant positive relationship between work environment and nurse’s organizational commitment or between engagement and nurse’s organizational commitment