This book constitutes the proceedings of the 14th International Conference on Telematics and Computing, WITCOM 2025, held in Huatulco, Mexico, during November 3–7, 2025.The 44 full papers presented in this volume were carefully reviewed and selected from 110 submissions. They are grouped into the following topics: Fields of knowledge; Including environmental monitoring; Information systems; IoT; Education; Artificial intelligence techniques; Cybersecurity; Data science.