This research examines the influence of organizational culture on employee performance in selected manufacturing units of Madhya Pradesh. Organizational culture, defined by leadership style, communication patterns, teamwork, and reward systems, serves as a key determinant of employee motivation, efficiency, and overall productivity. Employing a descriptive research design, primary data were collected from 150 employees using structured questionnaires and analyzed through correlation and regression techniques. Findings reveal a significant positive relationship between organizational culture and employee performance, emphasizing that supportive leadership, effective communication, recognition, and collaborative practices enhance work outcomes. The study underscores the strategic importance of cultivating a robust organizational culture to optimize employee performance and achieve sustainable competitive advantage in the manufacturing sector.