This open access book constitutes the proceedings of the First International Conference on Artificial Intelligence for Digital Transformations, AIDT 2026, which took place in Baku, Azerbaijan, during June 22-24, 2026.The 28 full papers included in this book were carefully reviewed and selected from 167 submissions. They were organized in topical sections as follows: AI in Emerging Digital Infrastructures; AI-Driven Automation and Optimization; Core AI Models and Learning Paradigms; Governance, Strategy, and Human–Organization Interaction; and Sustainability and Responsible Innovation.