This book constitutes the refereed proceedings of the 18th International Conference on CLOUD Computing – CLOUD 2025, held as part of the Services Conference Federation, SCF 2025, in Hong Kong, China, during September 27–30, 2025.

The 7 full papers included in this book were carefully reviewed and selected from 10 submissions. CLOUD 2025 has been a prime international forum for both researchers and industry practitioners to exchange the latest fundamental advances in the state of the art and practice of cloud computing, identify emerging research topics, and define the future of cloud computing.