This volume contains a collection of 22 papers submitted from the below seven symposia held during the 11th International Symposium on Ceramic Materials and Components for Energy and Environmental Applications (CMCEE-11), June 14-19, 2015 in Vancouver, BC, Canada: Additive Manufacturing Technologies Advanced Materials, Technologies, and Devices for Electro-optical and Biomedical Applications Multifunctional Coatings for Energy and Environmental Applications Novel, Green, and Strategic Processing and Manufacturing Technologies Powder Processing Technology for Advanced Ceramics Computational Design and Modeling Materials for Extreme Environments: Ultra-high Temperature Ceramics (UHTCs) and Nanolaminated Ternary Carbides and Nitrides (MAX Phases)