This book constitutes the refereed proceedings of the 9th International Workshop on ArtifiAI for Aging Rehabilitation and Intelligent Assisted Living, IJCAI 2026, held in Bremen, Germany, on August 17, 2026.

The total of 12 papers included in the proceedings was carefully reviewed and selected from 19 submissions. They were organized in topical sections as follows:MAISON-LLF Data Challenge; AI for Aging and Intelligent Assisted Living; AI for Rehabilitation and Clinical Decision Support.