The Third Annual AI Workshop at Embry Riddle Aeronautical University, ERAI 2025, took place in Prescott, AZ, USA, during August 15-16, 2025.The 15 papers presented were carefully reviewed and selected for inclusion in the proceedings book. They deal with special topics in AI, focusing on AI and cybersecurity; combinatorics and AI; aerospace AI; methodology and empirics; and healthcare AI.