Antonio Lieto (born December 18, 1983) is an Italian cognitive scientist and computer scientist at the University of Turin and a Research Associate at the Institute of High Performance Computing of the Italian National Research Council focusing on cognitive architectures and computational models of cognition, commonsense reasoning and models of mental representation, and persuasive technologies. He teaches Artificial Intelligence and Design and Evaluation of Cognitive Artificial Systems at the Department of Computer Science of the University of Turin.