This book constitutes the refereed proceedings of the Third International Libyan Conference on Information and Communication Technologies, ILCICT 2025, held in Tripoli, Libya, during September 9–11, 2025. The 40 full papers presented in this volume were carefully reviewed and selected from 82 submissions. They are organized into the following topical sections: Communication Systems; Computer and Information Systems; Artificial Intelligence in ITC; and Cyber Security.