Purpose: Green Behavior and Sustainable Performance are important for organizations seeking operational efficiency and long-term competitiveness. This study examined factors that are crucial to achieving sustainable performance. Therefore, the purpose of the present research was to examine the effect of Green Innovation, Sustainable Leadership, and Eco-Efficiency on Sustainable Performance. This research also aimed to assess the mediating effect of organizational culture and the moderating role of environmental commitment. Design/ method/ approach: Cross-sectional approach was adopted in the study for data collection. Respondents of the study were employees working in the organization. Questionnaire was developed using a Likert scale to collect data from respondents. Purposive sampling was used, and gathered data was analyzed through AMOS statistical tool. Findings: The findings of the study revealed that Green Innovation, Sustainable Leadership, and Eco-Efficiency have a positive effect on green organizational culture. Moreover, green organizational culture has a direct effect on Sustainable Performance. Mediating effect of green organizational culture was confirmed statistically. Results also confirmed the moderating role of environmental commitment. Originality: Present study is among the very few ones that highlight the moderating effect of environmental commitment and the mediating role of green organizational culture in one framework.