This book constitutes the refereed proceedings of the 8th International Workshop on ArtifiAI for Aging Rehabilitation and Intelligent Assisted Living, ARIAL 2025, Held in Conjunction with IJCAI 2025, Montreal, QC, Canada, August 16-22, 2025, Proceedings. The 10 full papers presented in this volume were carefully reviewed and selected from 14 submissions. They are grouped into the following topics: Multimodal data collection; Telemedicine; Sensor-based remote monitoring; Privacy-preserving algorithms; and Generative AI in elderly care.