2026 6th International Conference on Control Theory and Applications (ICoCTA 2026) will be held in Qingdao, China during October 23-25, 2026. It is organized by Shandong University of Science and Technology, hosted by College of Electrical Engineering and Automation of Shandong University of Science and Technology, co-organized by Shandong University, Qingdao University and School of Robotics and Automation of Nanjing University, and technically co-sponsored by IEEE, IEEE Control Systems Society, and IEEE Systems, Man, and Cybernetics Society.