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 TechnologiesAdvanced Materials, Technologies, and Devices for Electro-optical and Biomedical ApplicationsMultifunctional Coatings for Energy and Environmental ApplicationsNovel, Green, and Strategic Processing and Manufacturing TechnologiesPowder Processing Technology for Advanced CeramicsComputational Design and ModelingMaterials for Extreme Environments: Ultra-high Temperature Ceramics (UHTCs) and Nanolaminated Ternary Carbides and Nitrides (MAX Phases)