This book constitutes the refereed proceedings of the 9th International Conference on Advances in Visual Informatics, IVIC 2025, held in Guangzhou, China in November 12-13, 2025. The 36 full papers presented were carefully reviewed and selected from 69 submissions. They are grouped into the following topics: Keynote; Modeling and Simulation; Mixed Reality and Human-Computer Interaction; Intelligent Data Analytics; Applied AI; Visual Informatics Applications.