This four-volume set LNCS 16412-16415 constitutes the proceedings of the 32nd International Conference on Multimedia Modeling, MMM 2026, held in Prague, Czech Republic, during January 29–31, 2026.The 148 full papers and 20 short papers presented in this book were carefully selected and reviewed from 291 valid submissions. These papers have been organized in the following sections:Regular PapersSpecial Session on Human-Centric Multimodal Behavior AnalysisMOMST: Special Session on Multi Object Multi Sensor TrackingMARS-26: Special Session on Modelling Robustness and Security for Multimedia AIDemonstrationsVideo Browser Showdown