The goal of this masters thesis is focused on segmentation of the organic food market in the Czech Republic based on analysis of similarities or differences among consumers in Czech organic food market and also find out who is a typical organic food consumer. The thesis is divided into three parts, the theoretical, the methodological and the practical part. Process of the market segmentation, methods and approaches of the segmentation, the basic concepts and legislation on the matter are described in the theoretical part. Furthermore, mapping the situation of the contemporary state of the Czech organic food market. Marketing research is introduced in methodological part of the thesis. The practical part includes market segmentation by using...