The 9th International Conference on Algorithms, Computing and Systems (ICACS 2025) will take place in Hangzhou, China during December 12-14, 2025. ICACS 2025 is hosted by Hangzhou Dianzi University, China; technically supported by Department of Digital Systems, University of Thessaly, Greece; University of Strathclyde, UK; University of Electronic and Science Technology of China, China and University of Wollongong, Australia.