"Ordered mesoporous materials" was dedicated by Professor Dongyuan Zhao. It has been published by the Wiley-VCH Verlag GmbH & Co. KG recently. This book condenses the authors’ great efforts and contributions. Ordered mesoporous materials have been experiencing a rapid development in the past decade. This book is a comprehensive with the purpose including the understanding, introduction and summary from authors. The authors hope this book can provide beneficial help and inspiration for those researchers who willingly devote themselves to chemistry and materials science, especially to mesoporous materials. Furthermore, it can provide references and text for undergraduate and graduate students, scientists and researchers who are majoring in chemistry, chemical engineering, physics, materials and biology, as well as those interested in mesoporous materials.