This three-volume set CCIS 2493–2495 constitutes the refereed proceedings of the 17th Asian Conference on Recent Challenges in Intelligent Information and Database Systems, ACIIDS 2025, held in Kitakyushu, Japan, during April 23-25, 2025. The 80 papers included in these proceedings were carefully reviewed and selected from 301 submissions. The papers are organized in the following topical sections: Volume I: Data Analysis and Signal Processing; Development and Application of Large Language Models; Speech and Natural Language Processing. Volume II: Artificial Intelligence in Multimedia Technologies; Image and Video Processing. Volume III: Machine Learning and Artificial Intelligence Applications; Intelligent Information Systems and Advanced Problem-Solving Algorithms.