The article analyzes the epistolary discourse of Ján Kollár using the categories and concepts of modern linguistic pragmatics. The subject of the study was 16 letters addressed to V. Ganka, V. Kopitar, K. Ya. Erben, S. Grobon, V. A. Maciejowski in the period from 1824 to 1851. The study of the material is based on the method of subjectobject interpretation of the addressee’s communication. The analysis of Ján Kollár’s texts showed that his epistolary discourse is a speechlanguage work that was created with regard to the chronologically determined national epistolary tradition. Contacts and the content of Ján Kollár’s communication concerned primarily the socio-political and cultural sphere related to his professional activities. The socio-cultural dimension, within which the communication took place, determined the addressee’s socio-pragmatic role, and their civil position, influenced the topics of the correspondence, its personal and subject components, and assumed dialogue. The components of the studied epistolary discourse are characterized by the following features: formality — informality, distance — non-distance of communication, the hierarchy of relations, and observance of etiquette norms with their mainly emotional verbal design. Markers of politeness in Ján Kollár’s letters are etiquette lexical means, as well as tropes metaphors, and phraseology, which are methods of expressing the author’s empathic moods. Individual features include numerous author innovations. Thus, the social and socio-psychological characteristics of the author affected the language, structure, and content of his epistolary discourse. Kollár’s epistolary legacy is also important in the extralingual aspect. It serves as an additional source for studying the role of the author in social, literary, and scientific circles of his time.