This book constitutes the proceedings of the 5th International Conference on Artificial Intelligence Logic and Applications, AILA 2025, held in Xi'an, China, during August 16–17, 2025.The 12 full papers and 6 short papers presented in this volume were carefully reviewed and selected from 34 submissions. The papers are organized in the following topical sections: Explainable AI; Knowledge Systems; Norms and Metrics; Probabilistic and Fuzzy Systems; Optimization and Efficiency; Specification and Verification.