The study examined the influence of Control Approach on the management of libraries in Cross River State, Calabar. The primary aim was to identify dominant Control Approach in selected libraries and assess their impact on the management of library resources, personnel, service delivery, and user satisfaction. The study adopted a descriptive survey research design, with a sample size of 120 library staff selected from the University of Cross River State Library, College of Health Technology Library Calabar, and the National Library Calabar Branch. Stratified random sampling was used to ensure representation across various staff categories. Data were collected through structured questionnaires and analyzed using both descriptive and inferential statistics. Findings revealed that transformational and democratic Control Approach were predominant in the selected libraries and were positively associated with improved management outcomes. These Control Approach fostered staff motivation, collaboration, innovation, and effective resource utilization. Additionally, libraries led by participatory leaders reported higher levels of user satisfaction and service responsiveness. In contrast, autocratic Control Approach were linked to low staff morale and poor service adaptability. The study concluded that Control style is a critical factor influencing library management and service delivery. It recommended Control development programs that emphasize participative and transformational practices to enhance library operations. The research contributes to existing literature by highlighting the importance of contextually appropriate Control approaches in managing library institutions. It also calls for further research into digital-era Control and cross-regional comparisons to broaden understanding and improve practice in Nigerian library systems..