This book constitutes the refereed proceedings of the 30th International Conference on Advanced Computing and Communications, ADCOM 2025, held in Bangalore, India, during December 17–19, 2025. The 13 full papers included in these proceedings were carefully reviewed and selected from 76 submissions. The thematic scope of Advanced Computing and Communications Conference, ADCOM 2025, was classified into the following: Computation, Control, and Automation, Energy and Environment, Machine Learning and Natural Language Processing, and the PhD Forum.