EuroVis 2018, hosted by the Masaryk University in Brno, Czech Republic, is the 20th anniversary of annual visualization gathering organized by the Eurographics Working Group on Data Visualization and supported by the IEEE Visualization and Graphics Technical Committee (IEEE VGTC). EuroVis has been a Eurographics and IEEE co-supported international visualization symposium held in Europe annually since 1999. EuroVis has been a conference since 2012. The organizational team at the Masaryk University is looking forward to welcome the researchers from the field of data visualization, covering also many interdisciplinary applications. Data visualization is key in gaining an understanding of large, complex data sets by exploiting the human visual system. Data visualization leverages computer graphics in order to provide a visual overview, explore, analyze, and present phenomena which are often difficult to understand. The objective of EuroVis is to foster greater exchange between visualization researchers and practitioners, and to draw more researchers and industry partners in Europe to enter this rapidly growing area of research. EuroVis has an expanded scope to include all areas of visualization, and a steadily more wide-spread visibility that achieves a more wide-spread impact.