The research object of the present text is 36 Slavonic anthroponyms, derived from a Roman agnomen. The main aim of this article is to present their full list as well as their initial meaning. The researched anthroponyms are divided into two major groups according to: 1) their derivation, i.e. the type of the basic word, used during the process of name coining, as a part of speech; 2) the model used for anthroponym coining from a Roman agnomen, i. e. if the Slavonic anthroponym is derived from its form of Nom. sg. or from its root.