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.