This book constitutes the refereed proceedings of the 15th Scandinavian Conference on Artificial Intelligence, SCAI 2026, held in Odense, Denmark, during June 15–16, 2026.

The 13 full papers included in this volume were carefully reviewed and selected from 45 submissions. They focus on novel research contributions, and emerging challenges and opportunities in Artificial Intelligence and Data Science including machine learning, intelligent systems, explainable AI, trustworthy AI, Quantum AI, human-centered AI, and AI applications for societal good.