The proper name is an important object of analysis when comparing proverbs on the material of different languages and cultures. The object of this research is Czech-Belorussian proverbial parallels with a proper name component. Some studies have been devoted to the question of proper names in the composition of Czech and Belorussian paremias and their role in the formation of stereotypes, but this work examines this issue in a new aspect. The aim of the research is to compare proper names in modern Czech and Belorussian proverbs; identification of cultural connotations of proper names in paremias, as well as identification of lacunae in the Belorussian paremiological fund of modern active proverbs.