Strengthening system of digital transformation (DT) strategic management in the regional aspect, ensuring integrated and even development of the regions, and the balanced responsibilities of regional and municipal authorities and their financial resources, facilitate the balanced digital transformation of the libraries. Various ministries and agencies (RAS, Ministry of Education of the Russian Federation, Ministry of Science and Higher Education of the Russian Federation, etc.) generate their own statistical data on the libraries, however, on the national scale these data are not generalized. The authors insist that all-Russia sociological interdepartmental studies have to be conducted to understand the problems the libraries experience with the digital transformation. The relevance of the paper lies in the visual representation of regional differences in the role of libraries in the DT strategies of the RF entities. Purpose of the study is to analyze in detail the regional strategies of digital transformation of the subjects of the Russian Federation and to identify library vectors within their context. The applied methods are : a) terminological analysis of the problem; b) content analysis of specialized publications; c) textual analysis of regional strategies of the subjects of the Russian Federation; d) comparative analysis. As the main result , the typology of the subjects of the Russian Federation in relation to regional digital transformation strategy is generated. The practical value of the study is that the findings and conclusions may be used in planning digital transformation of libraries in the regions of the Russian Federation.